Add configuration files for rultor.com
Merge branch 'hotfix-rultor'
s/rutlor/rultor/
Merge branch 'hotfix-rultor-typo'
Use `rultor encrypt` to encrypt credentials
Update rultor/Makefile
Merge branch 'hotfix-rultor-config'
Merge branch 'master' into develop (fixes #1)

Conflicts:
	.rultor.yml
	rultor/Makefile
	rultor/rubygems.yml.asc