wip application form

adding RGSOCApplication model, migrations and some model magic

simple mail template, adding strong parameters to application forms

add mailer to controller. TODO move to background job

move application form mailer into suckerpunch job worker

add date dropdowns, make all fields mandatory

  This should be the basic form without styling for #61

add warning header and a bit of tests

update gems

add application info text without style

adding some 90ties feeling to the warning

restructure application form, add hints and labels to questions

clean up application

fix applications specs
Updated confirmation page text.

I just made the confirmation text a little clearer.
new text
Merge branch 'add_application_form' of github.com:rails-girls-summer-of-code/rgsoc-teams into add_application_form

Conflicts:
	app/views/applications/create.html.slim
remove text above Application form
use link_to
add artificial whitespace, remove minim money presence
change styles and add bootstrap classes
put minimun money back in
add custom input to extra label radio collection

I haven't found a solution to insert an extra tag with content w/ simple_form.
so I gave it an extra class an used css pseudo classes to get the label ;)
and the rest for the form
change radio button collection labels
adding rgsoc organizers mailing list
make it more release ready!
do not show application form yet
Merge pull request #62 from rails-girls-summer-of-code/add_application_form

Add application form