Java source compatability 1.5 -> 1.6
Merge branch 'master' of github.com:idega/com.idega.block.platform into BRANCH_PLATFORM_5

Conflicts:
	com.idega.block.article
	com.idega.block.navigation
	com.idega.block.process
	com.idega.builder
	com.idega.slide
	com.idega.user