Release 0.1.6

Signed-off-by: crynobone <[email protected]>

Update CHANGELOG for v0.1.5

Signed-off-by: crynobone <[email protected]>

Update changelog for 0.1.4

Update changelog and minor improvement to code standard.

Update change logs, fixed orchestra integration with Basecamp Provider.

Comply with Laravel standard on using unsigned for foreign key

Merge pull request codenitive#5 from patricktalmadge/patch-1

Change the Auth::check()