Revert "[what] working on receiver login/logout (register/unregister) and view transition"

This reverts commit 346ee2acad5b2ebb04056773c5f977ec7758c292.
Revert "[what] Lightsped API manager; sender login/logout"

This reverts commit 540d1fcfc47b173c85503cb34af4f14d961db472.
Revert "[what] update nav icons and app icon"

This reverts commit a411ddcb8ff7400ad0eb0aac09e0c6620976f21a.
Revert "[what] UI elements & layout of the image push view"

This reverts commit a92fae19d918a6bca3776d161b8d9efd492adddd.
Revert "[what] UI elements & layout of the inner-link push view"

This reverts commit 6470510d22c0310aa3c0e3bb4c8bd2b625b31032.
Revert "[what] UI elements & layout of the link/video-push view"

This reverts commit ea6b260bef48d6c426ada37072e0d885fb209279.
Revert "[what] subview transition of the 5 sender push function buttons"

This reverts commit 6c0292ee51b3c208f5ade191b7d6af0562e9315b.
Revert "[what] dynamic text input field height according to device screen height"

This reverts commit 144b4efc725c0b1a96ea5ee13c47564e58f7b0e9.
Revert "[what] UI elements & layout of the text-push view"

This reverts commit 8da800f9e93694cdea0cd29cb9528da8495d6e68.
Revert "[what] basic architecture for “sender” view"

This reverts commit 13ee99aef6b66814d96d58aca702ae6ad40e727b.
Revert "[what] enable objective-C ARC"

This reverts commit 2414f6fbea60fb38f89300132797ee27881db5ec.