initial cleaning of home and signup pages (both were sharing home.css)
clearer signup url references
obsolete images removal
adding font-awesome dependency as new gem (managed by `bundle`)
splash + sign in/up pages revamp, first cut
Merge pull request #37 from kordero/new_style

splash + sign in/up pages redesign, first cut
closing tag fix at signup markup
Gemfile.lock updated
yosemite background change to expand on wider screens
line height inconsistency between form controls fix at homepage
some responsiveness support
yosemite layout behavior initialization, styling and tweaks on thanks page
Merge pull request #38 from kordero/new_style

tweaking new style
preparing for big app changes at js side
clearer code at views markup: haml to erb conversions
gems deps update
Merge pull request #39 from kordero/app_revamp

improving views markup readability: haml to erb conversions
asset not being compiled in production: fix attempt
reverting previous commit
default application config adjustments