update 4.16.2

update 4.16

Merge pull request #93 from dji-sdk/sdk_releases/4.14

Final podspec and podfiles for samples for 4.14

Merge pull request #88 from dji-sdk/release_4.14_trial1

Release 4.14 trial1

Merge pull request #83 from dji-sdk/sdk_releases/4.13_errata

Update README and Podfiles for DJIWidget 1.6.3, adding header diffs

Merge pull request #82 from dji-sdk/sdk_releases/4.13

GitHub release of UXSDK 4.13 Sample Code

Merge pull request #80 from dji-sdk/sdk_releases/4.12

Updating Sample Code and ReadMe for 4.12 release

Merge pull request #77 from dji-sdk/sdk_releases/4.11.1

Updating 4.11.1 podspec

update sample and documentation to iOS UXSDK 4.11.

update release note.