mvnw doesn't escape directory in find_maven_basedir and MAVEN_PROJECTBASEDIR

[etki]

Hi.

I've noticed that maven wrapper doesn't use double quotes in find_maven_basedir/$MAVEN_PROJECTBASEDIR, so if current directory contains spaces, it will result in malformed computation.

I'm not sure how this project is managed (is mvnw somehow generated), so i didn't fork and send pull request

[mosabua]

Coming in release soon..

[mosabua]

Fyi maven-wrapper:0.2.0 and and takari-maven-plugin:0.4.0 are released to Central.