FREEPBX-1953 #QA #comment Fixed conferences to use new string validation scheme
FREEPBX-1953 #QA #comment Now uses global helper function module_get_field_size() instead
Merge pull request #1 in FREEPBX/conferences from ~COVERUP0204/conferences:release/2.11 to release/2.11

* commit '4ad173fa7f3cfb1994afdb67439a36c0f85b1ceb':
  FREEPBX-1953 #QA #comment Now uses global helper function module_get_field_size() instead
  FREEPBX-1953 #QA #comment Fixed conferences to use new string validation scheme