add first month table version

just a basic version of the month table
add proper table/graph switcher buttons
omit bookings with 0 minutes in table view
Merge branch 'next' into PTC-66

Conflicts:
	phprojekt/htdocs/phpr/StatisticsView.js
Merge pull request #344 from exi/PTC-66

Ptc 66 table view for my totals