Fix the source location related extensions

Remove build scripts for related extensions
Add installer media folders to the manifest
Fix translation for the component's name
Minor changes reorganizing the related extension tags
Remove the language file from admin
Add the missed library folder

Fix the uninstall
Add custom postFlight method to remove the pkg_osmeta

pkg_osmeta is deprecated
Merge pull request #27 from OSTraining/fre-pro-version

Fix many details preparing for Free and Pro versions