Update infrastructure versions:

- Gradle:  0.9 -> 1.12.
- Build tools: 19.0.0 -> 19.1.0
Prepare for release 1.0.2.
Merge branch 'release-1.0.2' into develop
Merge remote-tracking branch 'nik/develop' into develop

Conflicts:
	Squeezer/build.gradle
	gradle/wrapper/gradle-wrapper.properties