remove read-only restrictions and default source locale to current locale in submit comment link form.
add missing translations for comment link form.
clean up unused css classes.
while we're at it, let's get those failing cucumber tests to pass.
Merge branch 'feature/84-make-locale-default-link-source-locale' into develop
unbind channel handlers in add-link-modal only for the context in which they were created.
not sure if this is related to the bug, but better to only set the comment relations before saving rather than in initialization.
put shared examples within first describe block, otherwise guard-jasmine doesn't run them except when running all specs together.
Merge branch 'feature/80-bug-link-modal-disappears' into develop
fix style issues with in-place fields by making form display as a block rather than an inline-block.