Feature enhancement, bug fix

- create an ImageConversion activity for calling the 2d-3d image
conversion routines with a scrollable status view
- add Application.mk to enable use of the fpu on the dragonboard for
faster computation, configured with armeabi-v7
- update Capture button to change to a "Wait" status while images are
being captured
Add ndk methods, status updates

-add pcl(ndkpcl.c) and mesh(ndkmesh.c) stub routines to be filled in
later
-update Android.mk to include the new src files
-removed eclipse libs and obj files from git
-add status checks and initialize ndk methods to the ImageConversion
activity
-fixed scrollview so the status view will scroll to the bottom if the
log gets too large