upload
respawn
using CG for billboards
   - ShowLocationVC : region and anim.
using MKPin on ShowLocationVC
  - ARMainVC critical properties interface
  - autoreleasepools
  - ShowListVC - using MKPinView
   - Proj. refactoring
   - SIM. location padding interface.
   - MapView delegate crash fix.
phase 1
Merge branch 'develop'