Merge tag 'v0.4.6' into dev

v0.4.6 release
 * Adding `Organization#content([query], callback)` for retrieving organization content
 * Changing `Vertex#get()` and `Vertex#create()` to translate `vertex_type_id` automatically
update favorite api call put intead of post
removing weird binary data that was added to the file
make npm test for user unfavorite pass
add return statements to favorite/unfavorite
adding key param to User#participation()
adding Organization#participation() by taking from User#participation()
adding Client#participation()
cleaning up test after copy-pasta
Merge branch 'feature/participation' into dev
Merge pull request #10 from treetopllc/feature/user_favorites_update

Feature/user favorites update
version bump + updating changelog
Merge branch 'release/0.5.0'