refs #203 - Added flip method to TerminalSession and TerminalConnection.
-Implemented for apx only using apx API.
- Done using /emulation?flip URL
Merge branch 'master' of http://github.com/openlegacy/openlegacy.git

Conflicts:
	openlegacy-impl/src/main/java/org/openlegacy/terminal/mock/AbstractMockTerminalConnection.java