add a simplistic RPM just so you can easily (un)install this

+%define name	casperjs
+%define version	1.0.0
+%define release RC4
+%define prefix	/usr
+
+%define mybuilddir %{_builddir}/%{name}-%{version}-root
+
+Summary:	open source navigation scripting & testing utility written in Javascript
+Name:		%{name}
+Version:	%{version}
+License:	BSD
+Release:	%{release}
+Packager:	Jan Schaumann <jschauma@etsy.com>
+Group:		Utilities/Misc
+Source:		%{name}-%{version}.tar.gz
+BuildRoot:	/tmp/%{name}-%{version}-root
+
+Requires:	phantomjs
+
+%description
+CasperJS is an open source navigation scripting & testing utility written
+in Javascript and based on PhantomJS.  It eases the process of defining a
+full navigation scenario and provides useful high-level functions, methods
+& syntactic sugar for doing common tasks
+
+%prep
+%setup -q
+
+%setup
+mkdir -p %{mybuilddir}%{prefix}/bin
+mkdir -p %{mybuilddir}%{prefix}/share/%{name}/bin
+mkdir -p %{mybuilddir}%{prefix}/share/%{name}/modules
+mkdir -p %{mybuilddir}%{prefix}/share/%{name}/samples
+
+%install
+cp bin/%{name} %{mybuilddir}%{prefix}/share/%{name}/bin/
+ln -s %{prefix}/share/%{name}/bin/%{name} %{mybuilddir}%{prefix}/bin/%{name}
+cp bin/bootstrap.js  %{mybuilddir}%{prefix}/share/%{name}/bin/
+# Yes, this tool needs this file in the 'bin' directory.
+cp bin/usage.txt %{mybuilddir}%{prefix}/share/%{name}/bin/
+cp CHANGELOG.md %{mybuilddir}%{prefix}/share/%{name}/
+cp CONTRIBUTING.md %{mybuilddir}%{prefix}/share/%{name}/
+cp CONTRIBUTORS.md %{mybuilddir}%{prefix}/share/%{name}/
+cp LICENSE.md %{mybuilddir}%{prefix}/share/%{name}/
+cp README.md %{mybuilddir}%{prefix}/share/%{name}/
+cp package.json %{mybuilddir}%{prefix}/share/%{name}/
+cp -R modules/* %{mybuilddir}%{prefix}/share/%{name}/modules/
+cp -R samples/* %{mybuilddir}%{prefix}/share/%{name}/samples/
+
+%files
+%defattr(0444,root,root)
+%attr(0555,root,root)%{prefix}/bin/%{name}
+%attr(0555,root,root)%{prefix}/share/%{name}/bin/%{name}
+%attr(0555,root,root)%{prefix}/share/%{name}/bin/bootstrap.js
+%{prefix}/share/%{name}/bin/usage.txt
+%{prefix}/share/%{name}/CHANGELOG.md
+%{prefix}/share/%{name}/CONTRIBUTING.md
+%{prefix}/share/%{name}/CONTRIBUTORS.md
+%{prefix}/share/%{name}/LICENSE.md
+%{prefix}/share/%{name}/README.md
+%{prefix}/share/%{name}/package.json
+%{prefix}/share/%{name}/modules/casper.js
+%{prefix}/share/%{name}/modules/cli.js
+%{prefix}/share/%{name}/modules/clientutils.js
+%{prefix}/share/%{name}/modules/colorizer.js
+%{prefix}/share/%{name}/modules/events.js
+%{prefix}/share/%{name}/modules/http.js
+%{prefix}/share/%{name}/modules/injector.js
+%{prefix}/share/%{name}/modules/mouse.js
+%{prefix}/share/%{name}/modules/querystring.js
+%{prefix}/share/%{name}/modules/tester.js
+%{prefix}/share/%{name}/modules/utils.js
+%{prefix}/share/%{name}/modules/vendors/coffee-script.js
+%{prefix}/share/%{name}/modules/xunit.js
+%{prefix}/share/%{name}/samples/bbcshots.coffee
+%{prefix}/share/%{name}/samples/bbcshots.js
+%{prefix}/share/%{name}/samples/cliplay.coffee
+%{prefix}/share/%{name}/samples/cliplay.js
+%{prefix}/share/%{name}/samples/customevents.coffee
+%{prefix}/share/%{name}/samples/customevents.js
+%{prefix}/share/%{name}/samples/customlogging.coffee
+%{prefix}/share/%{name}/samples/customlogging.js
+%{prefix}/share/%{name}/samples/download.coffee
+%{prefix}/share/%{name}/samples/download.js
+%{prefix}/share/%{name}/samples/dynamic.coffee
+%{prefix}/share/%{name}/samples/dynamic.js
+%{prefix}/share/%{name}/samples/each.coffee
+%{prefix}/share/%{name}/samples/each.js
+%{prefix}/share/%{name}/samples/events.coffee
+%{prefix}/share/%{name}/samples/events.js
+%{prefix}/share/%{name}/samples/extends.coffee
+%{prefix}/share/%{name}/samples/extends.js
+%{prefix}/share/%{name}/samples/googlelinks.coffee
+%{prefix}/share/%{name}/samples/googlelinks.js
+%{prefix}/share/%{name}/samples/googlematch.coffee
+%{prefix}/share/%{name}/samples/googlematch.js
+%{prefix}/share/%{name}/samples/googlepagination.coffee
+%{prefix}/share/%{name}/samples/googlepagination.js
+%{prefix}/share/%{name}/samples/googletesting.coffee
+%{prefix}/share/%{name}/samples/googletesting.js
+%{prefix}/share/%{name}/samples/logcolor.coffee
+%{prefix}/share/%{name}/samples/logcolor.js
+%{prefix}/share/%{name}/samples/metaextract.coffee
+%{prefix}/share/%{name}/samples/metaextract.js
+%{prefix}/share/%{name}/samples/multirun.coffee
+%{prefix}/share/%{name}/samples/multirun.js
+%{prefix}/share/%{name}/samples/screenshot.coffee
+%{prefix}/share/%{name}/samples/screenshot.js
+%{prefix}/share/%{name}/samples/statushandlers.coffee
+%{prefix}/share/%{name}/samples/statushandlers.js
+%{prefix}/share/%{name}/samples/steptimeout.coffee
+%{prefix}/share/%{name}/samples/steptimeout.js
+%{prefix}/share/%{name}/samples/timeout.coffee
+%{prefix}/share/%{name}/samples/timeout.js
+
+%changelog
+* Mon Nov 26 2012 Jan Schaumann <jschauma@etsy.com>
+- first rpm version

+#!/bin/sh
+#
+# A silly little helper script to build the RPM.
+set -e
+
+name=${1:?"Usage: build <toolname>"}
+name=${name%.spec}
+topdir=$(mktemp -d)
+version=$(awk '/define version/ { print $NF }' ${name}.spec)
+builddir=${TMPDIR:-/tmp}/${name}-${version}
+sourcedir="${topdir}/SOURCES"
+buildroot="${topdir}/BUILD/${name}-${version}-root"
+mkdir -p ${topdir}/RPMS ${topdir}/SRPMS ${topdir}/SOURCES ${topdir}/BUILD
+mkdir -p ${buildroot} ${builddir}
+echo "=> Copying sources..."
+( cd .. && tar cf - ./[A-Z]* ./package.json ./bin ./samples ./modules | tar xf - -C ${builddir} )
+echo "=> Creating source tarball under ${sourcedir}..."
+( cd ${builddir}/.. && tar zcf ${sourcedir}/${name}-${version}.tar.gz ${name}-${version} )
+echo "=> Building RPM..."
+#rpmbuild --define "_topdir ${topdir}" --buildroot ${buildroot} --clean -bb ${name}.spec
+rpm=$(rpmbuild --define "_topdir ${topdir}" --buildroot ${buildroot} --clean -bb ${name}.spec 2>/dev/null | \
+	awk '/\/RPMS\// { print $2; }')
+cp ${rpm} ${TMPDIR:-/tmp}/
+rm -fr ${topdir}
+echo ${TMPDIR:-/tmp}/${rpm##*/}