Merge pull request #47 from allenxwang/cp

Add statics (Servo counters) to measure the efficiency of the default connection pool manager.
[Gradle Release Plugin] - pre tag commit:  '0.2.4'.
[Gradle Release Plugin] - new version commit:  '0.2.5-SNAPSHOT'.
Merge commit 'ec4de6ad76556e12bee93156307d69f9bbfec295' into cp

Conflicts:
	gradle.properties