generated new grid SASS and adjusted settings to use 1064px fixed size grid with 12 columns. Still need to adjust the pages using catarse_bootstrap.
Merge branch 'master' of github.com:catarse/catarse into move_catarse_bootstrap_to_12_columns
Merge branch 'master' of github.com:catarse/catarse into move_catarse_bootstrap_to_12_columns
updated all catarse_bootstrap views to use new 12 column grid.
removed unused variable default_grid_column_count
Merge pull request #317 from diogob/move_catarse_bootstrap_to_12_columns

Move catarse bootstrap to 12 columns