added javascript bits to add selected moves to 'responding to' form.
Multi-Source Fun, Part 2

* The "respond to these moves" button now actually goes to the make a move
* form and passes all of the source post IDs.
* On make a move form, all source move titles displaying.
added not entirely working code to iterate over move source array.
added not entirely working code to iterate over move source array.

so broken. wow broken.
Merge branch 'feature/multi-source-fun' of github.com:scholarslab/ivanhoe into feature/multi-source-fun
updated gitignore
merging things.
Merge branch 'develop' of github.com:scholarslab/ivanhoe into develop
Changed buttons and things on single ivanhoe game

* Removed the individual respond-to buttons.
* Combined the make a role/make a move and respond to move buttons.
* Added a check to see if there are items in the moves-to-be-responded-to
* list to display appropriate button name.
responding to head now only appears when moves selected.
Add/remove move sources refinements

Created an array for move sources and checks to see if the move is in the
array before allowing user to add it to the array again.
fixed code to properly pass game and role ids to post form
wrote foreach loop to properly show which moves are sources in game information sidebar
fixed javascript to change button text when responding to moves vs just making a move
fluffy tree is go for launch
Merges fluffy tree multi-source awesomeness

Merge branch 'feature/multi-source-awesomeness' into develop