Made changes to address #72
Created columns for Source and Response posts.  Formatting still screws up when text in right column ends, though, especially on single-ivanhoe_game page.
Fixed columns on single-game page.  Added header to Game Description section.
Changed error message on archive-games page when there are no games.
Added background to right column.  Still kind of a mess.
re-styled single move page
styled source/response for single move view
fixed header border on single move page
Removed susy container for article.move
Fixed columns on single-ivanhoe_game page.
Adds gitignore.
Further updates to single-ivanhoe_game columns.
styled buttons, fixed border on single move page
styled button
Created function get_excerpt_by_id

Added get_excerpt_by_id in functions.php to retrieve the excerpt outside
of the loop. Called the function in single-ivanhoe_move.php in order to
display an excerpt of the game description. Closes issue #94.
added game description field to single move. styled single move view
styled single game page a bit
fixed merge conflict
refactored code to put make a move/make a role button in header. will need to be styled by design team
styled make a move button on single game page to match respond button on single move page to close issue #96