Constructors should be capitalized.
groups test now structural identical to other app tests
Groups index test now uses the TestHelper to create the app.
admin column must also be removed from sortable columns
Fixed a typo in the name of the test directory
When creating a group, the member creating it is listed as contact person and is checked.
When editing a group, all group members are listed as possible contacts.
Bumped Travis coverage threshold to 72% (Travis currently reports 73%, so this should be fair enough, I hope).
Moved all remaining usages of the text() mixin to textWithValue()
Removed text mixin, renamed textWithValue to text
Moved all remaining usages of the textReadonly() mixin to textReadonlyWithValue()
Removed textReadonly mixin, renamed textReadonlyWithValue to textReadonly
Removed textarea mixin because it is not used any more.
Renamed textareaWithValue to textarea
Changed hightextarea mixin so that it now takes a value.
Moved all remaining usages of the hidden() mixin to hiddenWithValue()
Removed hidden() mixin, renamed hiddenWithValue to hidden
Now the date and time mixins require a value.
Now colorPicker and colorPickerForTable accept a value, not an object.
We need to evaluate the member id before setting it as announcement author.