Merge pull request #9 from viktorpr14/invitebranch

Added saving invitation
add logout funk.
Add basic jersey rest support
Merge branch 'master' of github.com:amandziy/BookmarkShareTool into rest

Conflicts:
	src/main/webapp/WEB-INF/jsp/teamProfile.jsp
Merge pull request #10 from KushnirykOleh/rest

Add logout functionality, add basic rest support
add user data in json format through /rest/userProfile/{username}
Merge pull request #11 from KushnirykOleh/rest

add user data in json format through /rest/userProfile/{username}
add basic support of spring 4 rest service
Merge pull request #12 from KushnirykOleh/spring4

add basic support of spring 4 rest service
Show user profile using RestController
Added contentNegotiationManager