Merge pull request #6 from akochurov/master

Disallow russian characters in source code with checkstyle.
Merge pull request #7 from akochurov/master

Add more javadocs
Merge pull request #8 from akochurov/master

API improvements:
Merge pull request #9 from akochurov/master

JDK8 compatibility & API improvements
Merge pull request #10 from akochurov/master

MXCACHE-72 - Make mxcache plugin multithreaded
Merge pull request #11 from akochurov/master

Small improvements
Merge pull request #12 from akochurov/master

Fix tests
Merge pull request #13 from akochurov/master

Fix sonar warning, add benchmarks
Merge pull request #14 from akochurov/master

Fix compilation with JDK 1.6
Merge pull request #15 from akochurov/master

Remove unlocking code from SuperLock.finalize() as it doesn't work
[maven-release-plugin] prepare release mxcache-2.3.1
[maven-release-plugin] prepare for next development iteration