chat
Created MainActivity and three fragments(DeviceSearchFragment, ConnectingFragment, ChatFragment(Raw));
Created ChatManagerTool
First messages are sended and received
First working version
refactoring
for merge
Merge branch 'secondEdition' into bluetooth

Conflicts:
	Chat/Chat-Evgen/Chat/app/src/main/AndroidManifest.xml
	Chat/Chat-Evgen/Chat/app/src/main/java/com/samarskyi/chat/ui/ChatFragment.java
refactoring is done