Update license info
FREEPBX-1953 #QA #comment Fixed callback to use new string validation scheme
FREEPBX-1953 #QA #comment Now uses global helper function module_get_field_size() instead
Update for license file
[Module Tag script: callback 2.11.0.3]
Merge pull request #1 in FREEPBX/callback from ~COVERUP0204/callback:release/2.11 to release/2.11

* commit '1bac7358c60aa2ab576ed282b8d39bf8e19a913f':
  FREEPBX-1953 #QA #comment Now uses global helper function module_get_field_size() instead
  FREEPBX-1953 #QA #comment Fixed callback to use new string validation scheme
FREEPBX-1953 - if function doesn't exist don't run the new code
FREEPBX-1953 - if function doesn't exist don't run the new code
Merge branch 'release/2.11' of ssh://git.freepbx.org/freepbx/callback into release/2.11