Demo 1.0.0.5: work made based on demo1.0.0.4 feedback

[mzorz]

This PR implements all of the details explained in #61. To make a short list:

• Swipe from bottom to discover emoji picker on the composing screen.
• Only start recording video after vibration indication ends (to avoid capturing noise on video)
• always show navigation bar
• made the Delete view behind added views, and added transparency tweak to hint the view is about to be removed if you lift your finger.

Things not covered in this PR, but tracked elsewhere

• black screen problem Black screen when sending app to background then come back in editing mode #65
• Still need to figure out how to move the top buttons down when the status bar appears so it's not covering any screen ui Move editing controls down so they're not hidden by the OS status bar #67
• zoom to area on tap Camera: add tap on the view to focus on an area #62
• pinch to decrease emoji size to less than original size Pinch to make emoji smaller than original size #66

[mzorz]

==== produced build, should not receive further commits

[aforcier]

!