Improve jdk8 compatibility
Merge branch 'master' into i723
Comment jdk8 profile out
Add stubs for intersection type handling
Merge branch 'master' into i723

Conflicts:
	querydsl-root/pom.xml
Build also on jdk8
Use SimpleExpression instead of Expression
Upgrade scala version
Merge branch 'master' into i723

Conflicts:
	querydsl-root/pom.xml
Fix APT tests
Use SimpleTypeVisitorAdapter to convert IntersectionType instances
Merge branch 'master' into i723

Conflicts:
	querydsl-root/pom.xml
Add column override support
Fix tests
Add test for ECJEvaluatorFactory
Improve docs
Use total/decimal digits instead of size/digits
Merge pull request #791 from querydsl/i704

Use total/decimal digits instead of size/digits
Merge pull request #790 from querydsl/i771

Improve Querydsl Collections docs
Merge pull request #774 from querydsl/i770

Add column override support