fix [PHRAS-75] csv user import is broken
Fix phras-82 sanitize feed url's
Add csv import unit test
Fix tests
Fix php 53 support
Merge pull request #1059 from nlegoff/fix-csv-import

[3.8] fix [PHRAS-75] csv user import is broken
PHRAS-87 #close
PHRAS-87 #time 1h
Merge pull request #1070 from jygaulier/fix-phras-87

PHRAS-87 #close
Merge pull request #1069 from nlegoff/phras-82

[3.8] Fix phras-82 sanitize feed url's
PHRAS-46 #fix
PHRAS-16 #time 40h