eclipse: 1.6 is the minimum supported java version
build: 1.6 is the minimum supported java version
server: make_data: 1.6 is the minimum supported java version
insight: 1.6 is the minimum supported java version
eclipse: rendering compilance version is 1.6

Missed in the initial commit due to being 5 rather than 1.5.
docs: Update QUICKSTART version requirements
Merge pull request #1412 from rleigh-dundee/java6-minversion

Make JDK 1.6 the minimum supported version