Release 3.0.0 changes (#197)

* Update XML files to use new XSD references for the 3.0.0 release series

* Add more release notes from review of commits since last release, update year in AUTHORS

Set date for upcoming release

Update version for 2.1.2 release

Set release date in notes

Added more release notes, set date

Increased service.location and kie.component.releaseId expire times f…

…rom 5 to 10s in dev conf

Merge pull request #59 from sssonline/master

2016-11-04

Updated release notes and version number for new release

Small readme change, added release date