Merge pull request #17 from usergrid/USERGRID-2580-emptysetfix

Usergrid 2580 emptysetfix
Resolving issue with client auth in PHP SDK
Merge pull request #23 from usergrid/USERGRID-2862-limitfix

Usergrid 2862 limitfix
updating with the lastest from usergrid-javascript-sdk
fixed formatting. removed Node-centric code.
Revert "fixed formatting. removed Node-centric code."

This reverts commit 5774d95b34cb4d4c6535025760ca405508fb7ad6.
Revert "updating with the lastest from usergrid-javascript-sdk"

This reverts commit 014531eba18569ef59d75f3412d0f3292e64412a.
Merge pull request #21 from r3b/master

Resolving issue with client auth in PHP SDK
Fix /management/me end-point so that it correctly accepts POST of form-encoded data.
Merge branch 'master' of https://github.com/usergrid/usergrid
Initial commit to prove issue
Fixes issue
Fixes NPE issue in the union iterator