Throw ProcessExecutionException with Error flag SAME_CONTENT if an
update fails due to same content
New ProcessError class to specify reason behind
ProcessExecutionException
Update README.md

force travis-ci
Update .travis.yml

CI for dev branch
Upgrade to TomP2P 5.0-Beta1
Merge branch 'tomp2p-27-SNAPSHOT' into dev

Conflicts:
	org.hive2hive.core/src/main/java/org/hive2hive/core/processes/common/base/BaseModifyUserProfileStep.java
	org.hive2hive.processframework/src/main/java/org/hive2hive/processframework/ProcessError.java
Merge branch 'dev' into Android
Use Beta2-SNAPSHOT for current Android dev