Relative url support for ElectronContainer.createWindow (#143)
Relative url support for ElectronContainer.createWindow (#143)

electron.ts:
- Ensure all url passed to new BrowserWindow are converted to absolute

Fixes #140
Morgan-Stanley/desktopJS,bingenito/desktopJS,bingenito/desktopJS,Morgan-Stanley/desktopJS,bingenito/desktopJS,Morgan-Stanley/desktopJS