- fix: composing status from slave is now being properly reported
https://github.com/openpeer/op/issues/134
Merge commit '859d56f1cd5d34fd12ad863d18dc452f6c91162e' into feature-20140730-is-composing

Conflicts:
	libs/op
- added delivery state "sent"; core doesn't use but place holder for higher layers.
https://github.com/openpeer/op/issues/136
Merge branch 'feature-20140730-is-composing' of https://github.com/openpeer/opios into feature-20140730-is-composing

Conflicts:
	libs/op
Added displaying message status.