Merge pull request #13 from redPanda-project/rework

Rework - merge bugfix for wrong channel select when long press a channel.
started a new design for redPanda: minimalistic, black and white.
started a new design for redPanda: minimalistic, black and white.
bugfix
awful bug fixed in the redpanda library.
added new license file to the UI.
changed background in ChatAcitivty.
fixed import bug, where the algorithm run in the UI thread.
Merge pull request #14 from redPanda-project/blackAndWhiteDesign

Black and white design