Added the keyboard handling modification to the OSRExternalPumpBrowser demo requested by mterrisse in issue #378
Fixed the wrong form icon in TinyBrowser demo.
- Split the Lazarus demos directory into "Lazarus_Windows" and "Lazarus_Linux".
- Added OSRExternalPumpBrowser and TinyBrowser2 demos to "Lazarus_Linux".
- Set TBufferPanel.GetScreenScale as virtual.
- Added DevTools to the SchemeRegistrationBrowser demo.
- Modified the SchemeRegistrationBrowser demo to receive XMLHttpRequest requests from JavaScript.
- Added GlobalCEFApp.DisableNewBrowserInfoTimeout property
- Removed remaining TCEFSentinel from all the demos.
- Fixed mouse coordinates in FMX demos with OSR browsers before sending a mouse wheel event.