set returnTo for *.forge.typo3.org

make loginredirect work on any forge.typo3.org domain
Merge tag '0.0.14' into develop

fixup master/develop

* tag '0.0.14':
  metadata, version 0.0.14
berks drop obsolete dependencies
use SYSTEM_GECODE to speed up gem/bundler installation
add explicit dependencies

should not be required but for some strange reason
bundle chokes without setting these explicit depedencies
try to fix travis
nail berkshelf on 3.1.3

see bugreport:
https://github.com/berkshelf/berkshelf/issues/1261
add explicit dependencies again
check on dep_selector itself
readd most deps again
last fix for Gemfile
some minor changes to .travis
--full-index workaround for rubygems troubles
Merge branch 'hotfix/loginredirect' into develop

* hotfix/loginredirect:
  set returnTo for *.forge.typo3.org
metadata, version 0.0.15
Merge branch 'release/0.0.15'

* release/0.0.15:
  metadata, version 0.0.15
  --full-index workaround for rubygems troubles
  some minor changes to .travis
  last fix for Gemfile
  readd most deps again
  check on dep_selector itself
  add explicit dependencies again
  nail berkshelf on 3.1.3
  try to fix travis
  add explicit dependencies
  use SYSTEM_GECODE to speed up gem/bundler installation
  berks drop obsolete dependencies
  set returnTo for *.forge.typo3.org