fix compress:windows

- `compress:windows` was broken due to the installer.exe being inside dist/windows instead of build/releases/...
- works now as expected, putting the installer.exe inside a zip-file in build/releases/Popcorn-Time/win/.
Get rid of white flash on startup

Special thanks to @mephux for finding this fix!

closes #891
Merge pull request #969 from MrVaykadji/patch-1

fix compress:windows
Introduce FontAwesome to the project
Fix #1001 - Add a "Open Folder" icon beside the tmp directory in settings
#1001 - Change icon to be 16px
fix #959

- fixes #959 by renaming "nw.exe" to "Popcorn Time.exe"
- Removes app.ico from main dir (it's already present in src/app/images/popcorntime.ico
- Adds a shortcut in main dir to launch from there if the user deleted the others (from desktop and start menu)
- Removes "Start Popcorn Time" from shortcut commentaries and replace it with "Popcorn Time" for internationalization ("start" is english-only)
Merge pull request #1005 from MrVaykadji/patch-1

fix #959