Merge pull request #6 from ironsteel/master

Fixed callback
Initial commit with a simple test
Initial commit
Merge remote-tracking branch 'origin/master'
Added travis status in readme
Use ver 1.2.1 of go
Move all files in the top directory
Implemened retrieval of mac address from arp table
Use the coding style described here: https://code.google.com/p/go-wiki/wiki/CodeReviewComments
Forgot to replace theese
No need to cat :)
Added build/setup instructions
Fixed typo
Added some error reporting
Move mac address related stuff in seperate files

Added a simple template
Do need to execute get for martini
Added simple interface for data store and implementation for mysql datastore

Implemented reading of configuratuin from ini style file
Forgot to commit reg handler with injected datastore
Added command line option for db config file
Json api for getting mac address and users