Simplify build and contribution process back to master/trunk development

James Moger

2015-11-23 3cbfebba9a8c5ca343aba2511d3a7874b0c650ec

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[submodule "src/main/distrib/data/gitignore"]
    path = src/main/distrib/data/gitignore
    url = https://github.com/github/gitignore.git