Add dragging, fix scrolling, newer Electron version

Features:

• Start dragging by tap, tap, drag

Maintenance

• Upgrade Electron version to from v1.7.10 to v1.8.2

Bug fixes

• Fix scroll up not working

Updated UI, Keyboard support, mouse down tolerance fix

v0.0.4

Merge branch 'master' of https://github.com/amoshydra/remote-control-…

First pre-alpha release

v0.0.2

Refactor client javascript