Revert "Podspec, bump to v0.1.7"

This reverts commit 3ca30b4561926206903dce696cdc1dc9d7ed18be.
Revert "new mirror button to turn video mirroring on/off"

This reverts commit e7d7442a8493252e48e1cbf610984833b9648d57.
Reverting mirroring support, needs support for onion skinning and delegation