Mailer module - set proper content type
Merge pull request #1872 from nmpetkov/patch-mailer_contenttype

Mailer module - set proper content type
Removed hack which is fixed in MOST
UserUtil::getUsers BC-fix, closes #1876
Merge pull request #1877 from phaidon/getusers-bc-fix

UserUtil::getUsers BC-fix, closes #1876
DBUtil selectFieldMax Notice
Merge pull request #1881 from nmpetkov/patch-2-DBUtil_selectFieldMax_Notice

DBUtil selectFieldMax Notice
force check for Core-1.3.x type modules (thus allowing PSR-4 type) in module install, act/de-activate, remove. fixes #1879. refs #1833
Merge pull request #1884 from craigh/ticket1879

force check for Core-1.3.x type modules
solve issue where upgrading of namespaced modules was not working
Merge pull request #1885 from craigh/UpgradeFix

solve issue where upgrading of namespaced modules was not working
Including files, to correct fatal error.
Merge pull request #1886 from shefik/console

Including files, to correct fatal error.
Kernel should only be required once.
Merge pull request #1888 from shefik/boostrap

Kernel should only be required once.
Revert "Kernel should only be required once."
Merge pull request #1889 from zikula/revert-1888-boostrap

Revert "Kernel should only be required once."
Core Twig extensions language part
Merge pull request #1891 from Kaik/core_twig

Core Twig extensions language part
Revert "Including files, to correct fatal error."