range search for price and room size implemented
range search for apartment size finished
range search number of inhabitants finished
Added a bookmark table to the database
area search finished
search for shared flat or single apartment finished
Bookmarks added.
Works via Ajax
Added some comments
Merge remote-tracking branch 'origin/search'

Conflicts:
	Skeleton/src/main/webapp/pages/index.jsp
Merge remote-tracking branch 'origin/master' into flo
removed debug message from adp_bookmark.js
Login now always redirects to index.
Fixes #1
Merge remote-tracking branch 'origin/master' into flo
Showing bookmarks in profile
Merging branch MessageImpl. The next changes are affecting several other functions too
Added constructors to object classes
Added interested list to database
fixed bugs in last commit
Implemented Ajax mark as interested functionality.

removed unused (comented) code from adp_pictures.jsp
Displaying interestees for advertiser in his advert.
Layout adapted to 3 or 4 tabs