Update PHPUnit to ~4.1.3

Also fix:
- boostrap to avoid causing out of memory issue with 256Mb memory_limit
- Empty DomDocument casuing Html5Test.php to fail
- Wrong namespace used in several FielType\Tests
Merge pull request #896 from ezsystems/phpunit_41

Update PHPUnit to ~4.1.3
Fix EZP-23038 : add location search pager fanta adapters