added some todos and the start of the file reader
pulled the exporter out to be its own file/class/thingy
moved the encodeHaml function out of the constructor
added drag and drop handler to open files
got file contents to show in input pane, need to force the update to the preview pane
fixed a comment
preview now updates when a file is dropped in
added some basic test data
exporter now uses the file name provided by importer!
combined import and exporter into HAMLToe.io, like one of the cool kids
moved the editing message into the dropzone
deferred creating the inport and exported to HAMLToe.io
added the new button
added TODO list
added more testdata
fixed a bug where the input textarea could not be changed after hitting
'new'
removed a stray variable after the merge
styled up the dropzone
added file for the io buttons