Statistics

Graphs
Updated Statistics and main Activity
Updated statistics and main activity
D
Added icons and XML's for  statistics
Added Overall Statistics and Database queries for the same
Changed Layout files and manifest file
Added Statistics Activities for Overall and Taskwise tasks
Merge branch 'latest' of https://github.com/MC-Timetracker/timetracker into contextawareness

Conflicts:
	src/iiitd/mc/timetracker/data/TaskRecorderService.java
TaskRecorder Service changes- not to be pushed
Merge branch 'master' of https://github.com/MC-Timetracker/timetracker into contextawareness
Updated xml file for taskwise stats
Updated taskwise Statistics activities
Updated Statistics Activities
Removed unused code form OverallStats
Merge branch 'master' into statsb1
App Icon and buttons changed
Fixed Custom Range statistics
Added a few Colors for Pie Charts
Merge branch 'master' into statsb1

Conflicts:
	AndroidManifest.xml
	src/iiitd/mc/timetracker/BaseActivity.java
	src/iiitd/mc/timetracker/EditRecordingActivity.java
	src/iiitd/mc/timetracker/MainActivity.java