remove idea project files, add gradle build support (android studio)
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Create leg after point screen is saved
allow decimal measures for the point
allow smaller values for the measures - e.g. 99.99 or 99999 max (makes no sence for more)
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/java/com/astoev/cave/survey/activity/main/PointActivity.java
Points - return missing validation only for distance and angle, display properly formatted decimals, validate azimuth and slope values, display errors in UI