Fixed cobra and viper usage, simplified output
Go fmt'ed
Fixed migrations path construction in the scanning method
Merge branch 'develop'
Made a real readme
Added environment handling
Fixed flag usage
Update readme
Merge branch 'develop'
Merge branch 'master' of github.com:elwinar/rambler into postgres-driver

Conflicts:
	README.md
	commands/apply.go
	commands/rambler.go
	commands/reverse.go
	commands/utils.go
	lib/database.go
	lib/migration.go
	lib/migrations.go