[DDC-1872] add tests to evaluate annotations overrides with traits
[DDC-1872] skip 5.4 versions for php 5.3 uncompatible tests
[DDC-1872] adjust as per @stof comments on test skipped message
allowed to pass filter objects to the configurator
Several fixes for comments

updated @param and @throws annotations
added missing use statement
remove duplicate code
typo fix
spaces
Merge pull request #442 from FabioBatSilva/fix-overrides-annot

Remove unused code
Merge pull request #436 from Powerhamster/comment-fixes

Comment fixes
improve phpdoc
Merge pull request #450 from KonstantinKuklin/master

fix some phpdoc
Fixed unique-constraint name in XML Exporter
Optimize autoload prefix in composer.json

By having more specific autoload prefixes it is possible to reduce the number of stat calls made.
start work
sql generation
small code refactoring
collect new object parameters
basic support, need some code refactory and improvements