Adds image minify webpack config for debugging

Reorganizes local git support to exclude from web
Swaps sha1 usages to md5 to avoid needing sha1 on the web (md5 is required by Gravatar)
Avoids crypto-browserfy and imports md5.js directly
Uses platform crypto for random nonce strings

Avoids process.hrtime for web builds

This is to ultimately will support virtual repositories (without git)

Adds anti-trojan-source eslint rule
Improves typescript config for eslint import

Switches to use new context.extension

Tidies webpack cli output

- Uses html-loader partials (removes ejs)
 - Updates select styling

Helps avoid source map conflicts with other extensions

Changes heatmap colorization for better clarity
Changes blame avatars to be w/ the annotations rather than in the gutter