Add documentation for new uuids.max_count option
Add What's New item about uuids.max_count option
Describe HTTP 403 response reasons for /_uuids resource
Update template helpers with utils methods for encoding and removing special characters
Model was deleting id (not _id) that is set by user.  Also a bunch of whitespace cleanup.
Fauxton: Fix global var
Update call can take longer than 5 seconds