Replaced File I/O usage w/ new library#2

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mjohnsonengr wants to merge 5 commits intowitwall:masterfrom

windwardadmin:master

Commits on Jan 8, 2015

Added GaeVFS dependency; updated imageio.stream.FileCacehImageInputStream to use GaeVFS instead of standard File I/O for GAE compatibility
mjohnsonengr
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Added a way to install specific jars not available in Maven repositories to local Maven repository
mjohnsonengr
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Replaced sanselan with Apache Commons Imaging.
mjohnsonengr
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Created project for Windward
mjohnsonengr
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Merge pull request #1 from windwardadmin/windward-project
mjohnsonengr
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