TWT-4 split the one "clock in / clock out" button into two for more intuitive handling + TWT-30 removed swiping support + TWT-31 fixed a bug in the event editor

git-svn-id: file:///home/svnroot-zephyrsoft/projects/trackworktime/trunk@493 f37aa4ac-6963-46a2-a1ff-558a307fa857