Add puredata to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2775
Add puredata to ubuntu-precise; resolves travis-ci/apt-package-whitelist#2775

Packages: puredata puredata-core puredata-gui puredata-doc puredata-dev puredata-utils puredata-extra

travis-ci/apt-package-whitelist,travis-ci/apt-package-whitelist