Only ignore coverage and doc directories in root
Only ignore coverage and doc directories in root

We may have doc or coverage subdirectories elsewhere which should be
included.

We never want node_modules or npm-debug.log, wherever they may occur.

Signed-off-by: Kevin Locke <ffb4761cba839470133bee36aeb139f58d7dbaa9@kevinlocke.name>

kevinoid/travis-status,kevinoid/node-project-template,kevinoid/swagger-spec-validator,kevinoid/promised-read,kevinoid/promised-read,kevinoid/travis-status,kevinoid/node-project-template,kevinoid/appveyor-status,kevinoid/git-branch-is,kevinoid/stream-compare,kevinoid/stream-compare,kevinoid/node-project-template,kevinoid/swagger-spec-validator,kevinoid/stream-compare,kevinoid/travis-status,kevinoid/appveyor-status,kevinoid/git-branch-is,kevinoid/promised-read,kevinoid/swagger-spec-validator,kevinoid/git-branch-is,kevinoid/appveyor-status