nodiacritics moved to extension
php fallback if function "phrasea_utf8_convert_to" is not available
fix test
CS
Merge pull request #346 from romainneutron/v3.7.12

[3.7] 3.7.12
Introduce configuration-tester
Add new files license headers
Add CacheServerProbe
Add OpcodeCacheProbe
Add unit tests fir setup requirements
Move PhraseanetServiceProvider with other providers
Extract Phrasea version service provider
Add PhraseaLocaleServiceProvider
New installer
New installer
Remove old command
Add requirements unit tests
Fix commandline install
Add unit tests
Add install unit tests