Merge pull request #49 from allmende/master

More accessability for *nix users.
fixed gresource search bug and made small changes to instructions
Merge branch 'master' of https://github.com/metacademy/metacademy-application
added travis image
fixed dependency editing interface, reloading, and a few bugs
updated target graphs when deleting nodes and edges
added editing tracking timefield
updated graph admin
updated admin interface to show the concept editors
added ctrl+e to edit in the detail view
ctrl-e editing changes and attempted bug fixes
updated graph fixture and makefile
fixed ctrl-e edit in concept editor view
added gresource notes field
updated haystack requirements
built production js
fixed edit router bug
small css adjust
added fix goal relationship command
possibly fixed goal timing issue