Some stubs
Started refactoring of server-related code
Some more infrastructure for mailboxes
Mailboxes actually working for robot and computer communicating
Messages now have their length (breaks compatibility with QReal), infrastructure able to reestablish connection and use endpoint data to support peer-to-peer communication between 3 robots
Added local configuration storage for hull number and last server we connected to, and port is configured in config.xml now
made 'receive()' blocking, fixed a number of bugs
Merge branch 'master' of https://github.com/trikset/trikRuntime into mailbox

Conflicts:
	trikCommunicator/src/connection.cpp
	trikCommunicator/src/trikCommunicator.cpp
Asynchronous interface
GUI for robot communication settings
Fixed up/down buttons behavior
Translations for communication GUI
Cleanup of mailboxes code
Fixed 'register' command
Review comments fixed
Merge pull request #59 from trikset/mailbox

Mailbox