Bump outdated PHPUnit version.
Add Travis CI webhook for Support Bot.

Update organisation links.

[skip ci]

No default commands

# Conflicts:
#	tests/unit/Commands/CommandTestCase.php

Misc additions/changes

Correct API key regex.

No default commands fix tests

Fix tests and add a simple API key validation.

Update scope getCommandFromType

For the possibility of hierarchical inheritance

Replace Gitter badge with badge to the new Telegram group

[skip ci]

add functionality to allow hiding commands in /help command

Add tests for commands shown in help command.

Fix #421 (Infinity loop after forwarding message from channel)