Fixed #382. Add JobCompatibility.isLocalMode().
Merge remote-tracking branch 'private/issue/382' into 0.6-develop
Fixed #385.

Refine Old-style output committer.
Merge remote-tracking branch 'private/0.6-develop' into 0.6-hadoop2-develop
Fixed #382.

Avoid detecting local mode in Hadoop 2.x.
Fixed #385.

Refine JobCompatibility.newTaskID() for MR1.
Merge remote-tracking branch 'private/issue/385' into 0.6-develop
Merge remote-tracking branch 'private/0.6-develop' into 0.6-hadoop2-develop
Merge remote-tracking branch 'private/issue/382-hadoop2' into 0.6-hadoop2-develop
Merge remote-tracking branch 'private/issue/385-hadoop2' into 0.6-hadoop2-develop

Conflicts:
	core-project/asakusa-runtime/src/main/java/com/asakusafw/runtime/compatibility/JobCompatibility.java
Fixed #386.

Optimize split combiner for tiny inputs.
Merge remote-tracking branch 'private/issue/386' into 0.6-develop
Merge remote-tracking branch 'private/0.6-develop' into 0.6-hadoop2-develop
Fixed #387.

SystemProperty configration via task property does not work.
Fixed #388.

Bumped up Gradle version to 1.12
Merge remote-tracking branch 'private/issue/387' into 0.6-develop
Merge remote-tracking branch 'private/issue/388' into 0.6-develop
Fixed #389.

Add Gradle task for generating YAESS log summary report.
Merge remote-tracking branch 'private/issue/389' into 0.6-develop
Fixed #389.

Add Gradle task for generating YAESS log summary report.