Typo (spaces) and Simplification of grid
updated compiled gumby
ui had been duplicated oh no!
updated demo: two columns push_two
updated version # in bower to 2.3.4
Merge branch 'hotfix/2.3.4' - Merged in caouecs' 'Typo (spaces) and Simplification of grid', fixed duplicate code in ui.html, fixed typo in demo.html, and bumped bower.json