Deletes unused js files and loads minified files for improved load time

Also, adds check to avoid js error (missing targetUrl's value would
throw a js error -controller.js)
Adds config file instructions
Merge branch 'master' of https://github.com/craftercms/social into 2.3.x

Conflicts:
	admin/pom.xml
	blog/pom.xml
	pom.xml
	server/pom.xml
	ui/pom.xml
	virus-scanner/pom.xml
Merge pull request #108 from quiaro/master

Improves load time and adds config file instructions
Merge branch 'master' of https://github.com/craftercms/social into 2.3.x

Conflicts:
	admin/pom.xml
	blog/pom.xml
	pom.xml
	server/pom.xml
	ui/pom.xml
	virus-scanner/pom.xml
Merge branch '2.3.x' of https://github.com/craftercms/social into 2.3.x

Conflicts:
	admin/pom.xml
	blog/pom.xml
	pom.xml
	server/pom.xml
	ui/pom.xml
	virus-scanner/pom.xml
Merge pull request #113 from ffgarciam/2.3.x

2.3.x
Merge branch 'master' of github.com:craftercms/social into 2.3.x
Merge branch '2.3.x' of github.com:craftercms/social into 2.3.x
styles and comment fixed
Merge pull request #115 from ffgarciam/2.3.x

styles and comment fixed
v2.3.2 Release
prepare for next development iteration
cancel button available now on edit mode
v2.3.3 Release
prepare for next development iteration
Merge branch '2.3.x' of github.com:craftercms/social into 2.3.x
CRAFTERCMS-644 Comment attachment error messages display nested exception information