Streamlines phing target description
Merge https://github.com/Arcavias/ext-phpexcel
Merge pull request #7 from nsendetzky/master

Streamlines phing target description
Adds release target to phing file
Merge pull request #8 from nsendetzky/master

Adds release target to phing file
Adds prompt for version if not available
Merge pull request #9 from nsendetzky/master

Adds prompt for version if not available