Merge branch 'master' of https://github.com/GraphAlchemist/Alchemy
Merge pull request #157 from ifjorissen/ifj_landing

Examples 1, 2 and 3
Update contrib.json
Uses new edge "source-target" attribute

Fixes #151
Merge branch 'master' of https://github.com/GraphAlchemist/Alchemy
remove ctrl-dash background
ctrl-dash now begins closed
fixed bug where alchemy.conf.edgeTypes is null and filtering would throw and error
added svg error for cases where edge and node types are not defined
Merge pull request #160 from ifjorissen/ifj_ctrl-dash

Bug Fixes
font awesome dependencies
Merge branch 'master' of https://github.com/GraphAlchemist/alchemy
cleaning up
fixing merge conflict