Added automatic install of missing plugins on node 0.11
Added new swap-like api for actions.
Added mixin call, cleaned up the API

- The underscore.js concept of mixing is the same as our concept of
utilities, so make it so by introducing a mixin call
- `addExtensions` is now an alias for `addExtension` which now accepts
extensions
- removed some semicolons that snuck in
Updated base files. Linting.
remove closure, isn't needed in node and browserify environments
updated for latest taskgroup api
More improvements around maturing the API

- Chainy constructor now passing options directly to the runner,
instead of just the name option
- ::create now applies the .klass variable correctly
- ::getExtension now doesn’t search the parent, as the parent’s tasks
should be directly added to ourself, rather than inherited indirectly
- ::action has now been split into ::createActionTask and ::action, now
also:
  - accepts configuration for the action (useful for trickle plugin)
  - no longer does a double task to ensure chain data is applied,
instead we use task group v4 events instead
- mixin helper is now simplified a bit
- addExtensions helper is now simplified a bit
- addExtension helper now accepts arguments in any order, as well as a
extension configuration object
- extensions are now objects containing a method among other things,
rather than a function that has properties
- removed set action, should be a plugin, if we bundle common plugins
chainy-core will never be finished
Updated base files
Added some new package keywords for seo
projectz compile
Added date for v1.0.0 changelog, time for release