implement text-image-widget
add specs for text-image generators
changed alignment options
Merge branch 'develop' into feature/text-image-widget

* develop:
  bugfix: permalink task did not return all objects with permalinks
adjust indentation in migration
rename title for align attribute
use default bootstrap floating helper
update widget description
remove unused methods in spec
add widget to integration task
add test app changes
update test app gems
use a nicer looking image size
use bootstrap media objects for a better look
bugfix: small images could not be uploaded and media objects did not work as expected
Merge pull request #283 from infopark/feature/text-image-widget

Feature/text image widget