Comodo Dragon Internet Browser 18.1

# CHANGED:
- Chromium core 18.0.1025.152.
- Right-click menu to hide Site Inspector button added.
- Right-click menu to hide "Share page" button added.
# FIXED:
- Fixed detection in installer if Flash Player is already installed.
- Installation didn't work correctly if Dragon was launched during silent automatic update.
- Extension balloon was displayed outside of the Comodo Dragon window.