fixed
fixed groupIds
Merge branch 'develop'

Conflicts:
	README.md
Merge branch 'develop'
removed deprecated code
format code
pom rearrange
added  mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
format
updated versions
[maven-release-plugin] prepare release xchange-1.5.0
[maven-release-plugin] prepare for next development iteration
Merge branch 'develop'
updated version info, etc.
Merge branch 'develop'