Issue #267: remove Gaia 1.1 support + fix VersionControl::hgPath() to support Gaia 1.4
Merge pull request #268 from pascalchevrel/issue-267-remove_gaia_1.1

Issue #267: remove Gaia 1.1 support + fix VersionControl::hgPath() for Gaia 1.4
API: fix PHP warning on /api/ call (without parameters)
Merge pull request #271 from flodolo/fix_emptyservice

API: fix PHP warning on /api/ call (without parameters)
Project Class: add method to check if repo is supported

Clean up code in l10n-init, remove duplicated code in checkvariables.
Merge pull request #272 from flodolo/l10n_init

Project Class: add method to check if repo is supported