Add dot notation example to the docs
added activate flag to image uploads and image upload docs
replace video source file functionality, added docs for it
README shows uploadImage with activate parameter
Merge pull request #30 from greedo/activate_image_uploads

added activate flag to image uploads and image upload docs
better comments, concat instead of sprintf
merging from vimeo master branch
merging #31
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  merging from vimeo master branch
  better comments, concat instead of sprintf
  README shows uploadImage with activate parameter
  replace video source file functionality, added docs for it
  added activate flag to image uploads and image upload docs
  Add dot notation example to the docs

Conflicts:
	src/Vimeo/Vimeo.php