Maxthon Cloud Browser 4.9.2.400 Beta

- Add save page as mht.
- Add global mute button.
- Add support .win url.
# Bug fixes:
- Right click address bar and chose "Paste and go" is invalid.
- After leaving the search result page. The keyword is still in search box.
- The keyword won't stay in search box if use drag or right click to search.
- Some sites display Maxthon is outdate.
- Not directly select a font and click OK, once again select the font settings window does not pop up.
- Click any link from a saved page,the five-point star will show yellow.
- The multisearch panel doesn't disappear in some cases.
- Delete userdata will cause the process "Mxcrashreport" won't close.
- After installing a skin, the browser will show a blank window after install a skin.
- Shut down magic fill and refresh the page, the magic fill will disappear.
- The sock5 proxy doesn't support account verification.
- Mouse gesture fail.