release v0.1.2

See #1, release log:

• 89a061a by @davherrmann: use custom docker image
• 034dd06 by @davherrmann: update first
• c14767f by @davherrmann: install software-properties-co...
• 96fa43b by @davherrmann: use newer maven version
• 79dc0df by @davherrmann: install git
• 47c80c4 by @davherrmann: update first, install with --f...
• 5fe0d9a by @davherrmann: silent install, say yes
• 52c3388 by @davherrmann: install maven
• b12803d by @davherrmann: use docker image with java 8
• a4da3bf by @davherrmann: fix rultor config
• 3e0e4b2 by @davherrmann: use correct server id
• 12a7d5c by @davherrmann: fix raw type array usage
• 7cc8a71 by @davherrmann: add rultor config, use jcabi p...

Released by Rultor 1.61.9, see build log