Combining all goniometer related tools

combining shoulder and knee angle finder into 1 goniometer tool that
also includes hip angle finder and a general goniometer.
Angle Viewer: Add Flexion labels

added labels to the angle viewer to show knee angle, knee flexion,
shoulder flexion, and hip flexion values.
Rename "AngleFinderView" to Goniometerview

Now that all the goniometer functionality is merged, I renamed the
“anglefinderview” to a better name.  Also includes bug fixes.
updating gitignore
Merge branch 'Combine-Goniometer'

Conflicts:
	.gitignore

bikefit.xcodeproj/project.xcworkspace/xcuserdata/velopez.xcuserdatad/Use
rInterfaceState.xcuserstate

bikefit.xcodeproj/xcuserdata/velopez.xcuserdatad/xcdebugger/Breakpoints_
v2.xcbkptlist

https://github.com/alfonsol/velopez-bikefit-app/issues/22