add mongoid 4 support
moved three to money
Merge pull request #89 from crafters/master

Added suport to mongoid 4.0.0
Fix default_currency config that it accepts currency without minor unit
Merge pull request #92 from ashchan/master

Let default currency config accept currency without minor unit
fix typo in README.md
Merge pull request #97 from griffithac/master

Please merge typo fix to README.md
Change actionview helpers to accept options

This will allow us to use any of the rules ::Money.format allows,
like :html, for instance.

Also clean up a bit of duplicated code.

Change-Id: I4037d0b6c7bf34b968c33439e02fa020f721a72b
Merge pull request #100 from freerunningtechnologies/switch_helper_to_options

Change actionview helpers to accept options