Media Player first steps.
Merge branch 'develop' into feature/playAndStop

Conflicts:
	mobile/src/main/java/com/tempos21/cieguitos/ui/activity/PhoneMainActivity.java
	sdk/src/main/java/com/example/sergibc/sdk/constants/Constants.java
	wear/src/main/java/com/tempos21/cieguitos/ui/activity/WearObrasActivity.java
Merge branch 'develop' into feature/playAndStop

Conflicts:
	mobile/src/main/java/com/tempos21/cieguitos/ui/activity/PhoneMainActivity.java
Merge branch 'feature/playAndStop' into develop