Upgrade to Gradle 1.1.
Update the way in which the documentation task Groovy version is selected.

Update the version of the uploading wagon.

Minor rearrangement of order.
Add the facility to use the Maven local repository as well as Maven Central.

Add uploading signature files as well as artefacts.
Evaluation of the uploadArchives initialization needs to be delayed till the
task graph building is complete to avoid the tests being tried as part of task
graph building. Moreover it only needs to be run if uploadArchives is the
task, otherwise simply ignore it.
Switched to nanos for SyncDataflowVariable async value read
Made closure type parameters consistent across DataflowReadChannels
Merge branch 'master' of github.com:GPars/GPars
Merge pull request #2 from vazexqi/Benchmarks

Removed unused minValue variable
Merge branch 'master' into Benchmarks

Conflicts:
	build.gradle
Fixed JDK 8 compatibility issues
Merged extra166y into the codebase
Merged extra166y into the codebase
Added an import-checking inspection profile
Optimized imports in extra166y code
Updated the demo project dependencies
Disabled the codenarc plugin as it consistently throws OoM on windows
Added state object support to df operators
Merge branch 'master' into extra166-integration
Added events
Implemented message rewriting in listeners