[HELIX-506] Ensure that tasks are not placed on targets with pending states
Merge branch 'master' of https://github.com/brandtg/helix (closes #2)
[HELIX-470] Netty-based IPC layer, add TestNG config
[maven-release-plugin] prepare release helix-0.7.1
[maven-release-plugin] prepare for next development iteration
[HELIX-470] Netty-based IPC layer, fix pom
Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit 9e9eacc4d33e03d557d4c5d57b9bdafb6e27e245.
Revert "[maven-release-plugin] prepare release helix-0.7.1"

This reverts commit ea0300083560ffb45cb8070cb2dcdb2f5ddc93ed.
[maven-release-plugin] prepare release helix-0.7.1
[maven-release-plugin] prepare for next development iteration
[HELIX-514] ZkBaseDataAccessor#set() should throw BadVersionException instead of return false in case of version mismatch, rb=25453