Started colorgenerator and some identities work
gui stuff
Some changes in GUI
Colors in thread messages and identities work
Added listView to msg response, minor changes to sidebar labels
UserManager added, colors working in response, added list of identities when replying
Merge branch 'feature-gui-identities' into develop

Conflicts:
	src/main/java/org/aldeon/app/Main.java
	src/main/java/org/aldeon/core/BaseCore.java
	src/main/java/org/aldeon/crypt/rsa/RsaKey.java