introduce priority attribute for extractors
implement tests
minor fixes
chanlog entry
sort array
Merge pull request #193 from symfony-cmf/priority-for-extractors

Priority for extractors
throw exception for non existing burgov bundle in combination with activated admin extension
minor fix
chanlog entry
fix exceptions text
Merge pull request #194 from symfony-cmf/non-existing-burgov-bundle-throws-exception

throw exception for non existing burgov bundle
prepare rc tag
Merge branch 'non-existing-burgov-bundle-throws-exception'
prepare rc tag
correct changelog
move hhvm to allowed failures until xml handling is fixed. require all symfony 2.* to succeed.
Merge pull request #195 from symfony-cmf/hhvm-broke

move hhvm to allowed failures until xml handling is fixed
create custom exception/error handling mechanism
spice up tests to see both parent and ancestor
little CS fix