About-Version, Start of final Error Handling, and icons for calendar
Finalized About structure
completed the error handling of invalid usagePointId reference through
the UX.
Merge pull request #59 from jateeter/master

Version/About automation
WIP
WIP
Merge branch 'master' of
http://github.com/energyos/OpenESPI-DataCustodian-java

Conflicts:
	src/main/java/org/energyos/espi/datacustodian/web/customer/UsagePointController.java
	src/main/webapp/WEB-INF/jsp/tiles/footer.jsp
WIP