Fix bug 719651 - Change Linkedin regex to accept public profiles

Added test case for Linkedin Public Profile
fix bug 719651 - add test for public linkedin regex validation
Merge pull request #2711 from groovecoder/public-linkedin-profiles-719651

fix bug 719651 -  Profile field validation for LinkedIn is not valid for international profiles
Update kumascript to reverted upgrades
Merge pull request #2717 from darkwing/kumascript-update

Update kumascript to reverted upgrades
Fix bug 1057286: Split file attachments from wiki into a separate application.