PR 1204: Merge release_0.7.x to master
PR 1204: Merge release_0.7.x to master

 - Revert "update version file" (reverting to 0.7.1)
 - Revert "PR 1171: Merge ziv_release_0_7_2_windows_fix to release_0.7.x"
 - Merged (patched) README.md from development
 - PR 1200: Reverting to 0.7.1 with patch to README.md
 - Revert "Revert "PR 1171: Merge ziv_release_0_7_2_windows_fix to release_0.7.x"
 - updated version files
 - PR 1202: Merge ziv_restore_0_7_2 to release_0.7.x

IntelRealSense/realsense_sdk,IntelRealSense/realsense_sdk,IntelRealSense/realsense_sdk