Cambio de la UI, saco los mocks y hago las llamadas al service. Completo el circuito llamando al servidor para obtener las mesas.
Merge branch '295ElegirUnaMesa' of github.com:glas-it/rom-app into 295ElegirUnaMesa

Conflicts:
	res/layout/fragment_free_table.xml
	res/layout/fragment_open_table.xml
	res/values/strings.xml
	src/ar/com/glasit/rom/Fragments/FreeTableFragment.java
	src/ar/com/glasit/rom/Fragments/OpenTableFragment.java
	src/ar/com/glasit/rom/Fragments/TablesFragment.java
	src/ar/com/glasit/rom/Model/Order.java
	src/ar/com/glasit/rom/Model/TablesGestor.java