no "compiled by coffeescript" header
hemacs-delete should clear-shell in inf-ruby-mode too
add wgrep-ag
theme updates
flycheck warning cleanup
add flycheck-cask and flycheck-pos-tip, update README
explicitly set flycheck-less-executable

since chruby pushes gems into path ahead of npm
disable flychecking within hemacs
update .mc-lists and .gitignore