Turn HTML button on

Added the HTML button to the Editor Toolbar
Move default site creation to Seeds.
Import Dutch strings from OneSky.
Merge pull request #261 from andrewmfraser/patch-1

Turn HTML button on
Merge pull request #263 from churchio/nl-strings

Import Dutch strings from OneSky.
Fix label so Dutch is in Dutch :)
Added Sortable to families and tasks.
Merge pull request #265 from churchio/rename-nl

Fix label so Dutch is in Dutch :)
Use the icon helper.
Refactored sortable, family and task models.
Removed obsolete tests.
Merge pull request #266 from stephanvd/sortable_lists

Added Sortable to families and tasks.
add send email option on Prayer Request creation
Merge pull request #267 from georgebejan/master

 Add option on Prayer Request to send as email to the group.
Remove old stuff.
Remove trailing white space.
Also allow sending prayer request via email on update.
Coding style

* Use `order(:attr)` or `order(attr: :desc)` when possible
* Align scope definitions
Refactor for clarity

* move condition for sending email to a separate method for clarity
Improve prayer request email

* add group name to email subject
* add answered date and answer text to email body