change start/stop timer in tag to not use db
Add timer class, use in tag
Found a really nice timer class at
http://stackoverflow.com/questions/3519562/how-do-i-write-a-timer-in-objective-c
and changed tag to use it for calculating elapsed time.  Found out I'm
not using elapsed time anywhere right now.
Uncomment out interface and calls to increment/start_timer/stop_timer
Adding Tests
Adding test classes for Tag
correct start/stop timer methods of Tag to use self.timer
Adding a simple creation test to TagTests, updating project to build
test target using help from
http://twobitlabs.com/2011/06/adding-ocunit-to-an-existing-ios-project-with-xcode-4/
added tests for tag name change and tag increment
Rearrange and reformat Database for readability, comment out setup sql for count/timer
Change Mirror to sending events using NSNotification center, tags register for notifications and discard if tagid doesn't match
Move Mirror files into Janus folder