Merge pull request #38 from andymcc/master

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Ability to specify path in push.sh
Merge pull request #39 from andymcc/PACKAGE_CLUST

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Quick fix on ssh options
Merge pull request #40 from andymcc/PACKAGE_CLUST

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Add ability to install from packages using --packages
Merge pull request #41 from andymcc/PACKAGE_CLUST

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remove .idea dir
change keyserver from mit to ubuntu, move key get to before apt
Merge pull request #42 from hughsaunders/master

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