fix gradle setup and .gitignore#1

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caitlinrussell merged 1 commit intomicrosoftgraph:masterfrom

davidmoten:gradle-setup-gitignore

Nov 29, 2017

Commits on Nov 29, 2017

fix gradlew, eclipse metadata exclusions to gitignore, add bin exclusion to .gitignore, remove existing metadata files and bin files
davidmoten
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