Merge pull request #281 from timonwong/zh_CN

Update simplified chinese translation
Update belarusian translation
Merge pull request #284 from quendimax/master

Update belarusian translation
Aard: localizable article loading error string
Win-specific: Fix Ctrl+Ins pass-through in hotkey wrapper
Win-specific: Fix Ctrl+C emulation pass-through in hotkey wrapper
Updated French translation - fixed typos, more natural accelerators
Merge pull request #287 from virtualtam/master

Updated French translation
MDict: Fix anchor name/id enclosed with single quotes
MDict: Support audio links in <area> tag
Merge pull request #288 from timonwong/mdict

MDict: Minor fix on article filter
MDict: Fix checksum calculating for plain data block
Add extension for speex encoded sounds
MDict: Increase parser version to deal with plain data block
Merge pull request #289 from timonwong/mdict

MDict: Fix checksum calculating for plain data block
Better protect the visual style against broken dictionaries