Upgrade Remix and Electron

This release upgrades to the latest version of Electron v2.0.4 and to the latest version of Remix (0a7ac06)

• Thanks to @yann300 for PR relating to http://github.com/ethereum/remix-live
• Thanks to @acrylix for contributing obscure bugfix which prevented us from upgrading to Electron v2, but solved now!

Minor update, v0.1.2

v0.1.2 includes a minor fix for Linux distributions.

Airplane release, v0.1.1

This release includes an app cache layer that intercepts downloaded files by the editor and caches them on-disk. Remix-app now works completely offline - airplane mode!

remix, electron edition! v0.1.0

remix pre-built images for macOS (remix-0.1.0.dmg) and Linux (remix-0.1.0.tar.gz) based on https://github.com/ethereum/browser-solidity/commits/7be40bf