Ensure that .tab files are always loaded

If the first call to $Language is hasText, then the language files were
not necessarily loaded. Now it is the case.

Change-Id: I190f0a6eecda97f7e989cf5adcf7c1874163437f
Add project description fields in the service usage stats

See story #4592

Change-Id: I2ecfa8bce7d7bfaf0183c8fd4fb6c67cf9fcf8e4
Merge "Ensure that .tab files are always loaded" into 4592_project_desc_in_stat
Merge "Add project description fields in the service usage stats" into 4592_project_desc_in_stat
Merge remote-tracking branch 'gerrit/4592_project_desc_in_stat' into tuleap-stable-master

* gerrit/4592_project_desc_in_stat:
  Add project description fields in the service usage stats
  Ensure that .tab files are always loaded

Change-Id: I0b2a125464401f678aee89e436fec3a36fdeedd3
Tuleap 6.3.99.10

Change-Id: I375b3fdd8d12f252bbc1a9cdced2b2272ea78d91