Fix #1575 : Allow stemmed search only if stemming is enabled
Merge pull request #766 from romainneutron/fix-1575

[3.8] Fix #1575 : Allow stemmed search only if stemming is enabled
Use semver for Phraseanet version numbers
Fix patch naming mess
Merge pull request #767 from romainneutron/fix-1577

[3.8] Fix 1577 : Use semantic versioning for Phraseanet
Fix #1571 : Cleanup user settings, fix user settings calls