Correct display of save method result.

Save method return error and result parameters not just result.
Updated Models.md because of Q->Bluebird change

Updated Models.md because of Q->Bluebird change
Update adapters.js

Added TumblrAdapter as an experimental adapter for Tumblr API.
Merge pull request #296 from matthieuh/patch-1

Correct display of save method result.
Merge pull request #297 from luislobo/patch-2

Updated Models.md because of Q->Bluebird change
Merge pull request #302 from Roberto14/patch-1

Update adapters.js
Add multipart file upload edge case workaround
Merge pull request #303 from eighteyes/sc/csrf-add

Add multipart file upload CSRF gotcha solution
oops
oops
Merge pull request #304 from eighteyes/sc/csrf-oops

Forgot some white space, docs ugly :(
Merge remote-tracking branch 'origin/master' into zh-TW
[zh-TW] Middleware.md
[zh-TW] Associations.md
Add a word on URL-encoding CSRF tokens when needed
Merge pull request #307 from tibotiber/patch-1

Add a word on URL-encoding CSRF tokens when needed
[zh-TW] Dominance.md
Fix link to waterline
Merge pull request #309 from megawac/waterline

Fix link to waterline
[zh-TW] joinTables.md