Merge branch 'master' of git@github.com:bdeeming/IdleTimer.git

Added GPL licensing to all files + added copy of GPL license

#4: Prerelease version of 1.0 - GUI pop up only

#4: Removed unused imports

#4: Added tab order. Added handler to enable/disable text box based on

#4: Corrected idle time period text formatting.

#4: Added main class for UI. Supports cmd line task progress, popup idle

#4: Fixed bug returning the wrong allocation time.

#4: Basic event handling done. One issue with returning the correct time to allocate value outstanding.

#4: Some event handling done - not complete yet

VP project diagram updates

\#4: Correctted button groups for the radio buttons

#4: Completed the time allocation popup GUI layout - ready for

#4: Initial start on the time allocation part of the GUI

Minor bug fix: Task was only printing total time, instead of total time & elapsed time