Only user bower components as external libs

If we user other external libs, then it becomes
very difficult to resolve dependencies (excpet manually)
when sharing components. + even when copying libs to the dist
folder, the path is not resolved when using vulcanized components
in other projects

Signed-off-by: NicoArbogast <nicolas.arbogast@gmail.com>
Merge branch 'v0.2' into v0.3

* v0.2:
  Bump v
  Bump v: 0.2.2 - copies lib folders to vulcanized + prepublish script
Bump v

Signed-off-by: NicoArbogast <nicolas.arbogast@gmail.com>