Merge pull request #122 from cuongth/master

Add terminate/1 for adapters
Fix up terminate/1 calls
Don't terminate undefined connections
Don't try to save undefined values

Postgresql adapter fails if we try to save undefined as date.

Just skip undefined fields and don't save them.
Merge pull request #126 from maxlapshin/patch-1

Don't try to save undefined values
Pack undefined datetimes
Add a rebar plugin to compile models
Merge pull request #127 from rtsisyk/rebar-plugin

Add a rebar plugin to compile models
Fix handling updates with undefined (aka null) values
Fixed sorting by non-text fields in Tokyo Tyrant adapter.
Merge pull request #130 from entronic/master

Fixed sorting by non-text fields in Tokyo Tyrant adapter.
remove mochihex:to_hex deps, for project not using mochiweb as webserver
Merge pull request #131 from mihawk/master

remove mochihex:to_hex deps, for project not using mochiweb as webserver
Fix foreign key issue with -columns and SQL
Merge branch 'master' of github.com:evanmiller/boss_db
Update boss_db_controller.erl

Configurable cache prefix
Merge pull request #134 from brigadier/patch-1

Update boss_db_controller.erl
Moving deps to CB GitHub org account
Merge branch 'master' of github.com:evanmiller/boss_db
Display just a bit more information about where things went wrong so that it's easier to track down.