dashboard: Don't set INSTALL_CERT to true unless CA_CERT

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
dashboard: rm output dir before compiling assets

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
dashboard: Add ASSET_CACHE_DIR

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
dashboard: Add map of assset paths used in javascript to static config

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
dashboard, bootstrap: Handle setting GITHUB_TOKEN in the app

closes #280

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
dashboard: Use json encoder for static js config

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
Merge pull request #614 from flynn/dashboard-github-token

dashboard, bootstrap: Handle setting GITHUB_TOKEN in the app