Backport from master

Did some spring cleanup and removed unused files

Conflicts:
	TwitterBootstrapGrailsPlugin.groovy
	grails-app/conf/BuildConfig.groovy
	plugin.xml
change default excludes for twitter bootstrap plugin precompile
Updated bootstrap javascripts inclusion order

I've changed the bootstrap javascripts inclusion order since including popover before tooltip gives:

    Uncaught Error: Popover requires tooltip.js

After changing order no error are thrown.
Updated release plugin and grails version
Changed default action from list to index, fixes #97
Removed deprecated call to ApplicationHolder which breaks grails 2.4
Backport more changes required for 2.4

Conflicts:
	TwitterBootstrapGrailsPlugin.groovy
	application.properties
	grails-app/conf/BuildConfig.groovy
Removed last references to ApplicationHolder to make the plugin work with grails 2.4

Conflicts:
	TwitterBootstrapGrailsPlugin.groovy
Added note about new version
Fixed pagination without 'fixtaglib' for grails 2.4

g:paginate was moved from RenderTaglib to UrlMappingTagLib in 2.4:
https://github.com/grails/grails-core/commit/7a031f2112918dc1ef4241c7b3d9ff9ce6ae85ca

fixes #117

Conflicts:
	README.md
	TwitterBootstrapGrailsPlugin.groovy
Change names to bootstrap2
Renamed Plugin....
Update README.md

Conflicts:
	README.md