Added cc parameter to email functions.
First step in simplifying email functions.
Just put all needed email parameters in the same struct.
Merge remote-tracking branch 'origin/master' into sofia/invoice_to_syb
Set email and locale for email function for user.
Merge pull request #7 from soundtrackyourbrand/sofia/invoice_to_syb

Added cc parameter to email functions.
added a bit of stack tracing
merge
moved email stuff to a different package to avoid cirular deps
made pointers to structs also give 400 instead of 500 on bad json.
Fixed zero value reflection.
fixed so that no such entity does not produce opsmail
added dirty git check for current woring dir
made illegal base64 in key.Key throw errors that dont cause ops mail
added a simple way to run simple functions in parallel
Added billing group to order and location. Gofmt
CRUD tests for billing group
added ReplaceScheduleForSoundZones
gofmt
Merge branch 'master' of github.com:soundtrackyourbrand/utils