added timeView object to handle toggles between intervals of time
added toggles for moving forward and backward in time intervals
updated timeview object
Merge pull request #6 from shidel-dev/time_toggles

Time toggles
fixed broken master
Merge branch 'master' into st/user-session-getajax
fixed bug with connections
fixed placement of nodes across time
Merge pull request #7 from shidel-dev/bug-fixes

Bug fixes
Fix ajax post of json
Merge branch 'master' into st/user-session-getajax