1.2.0

Update electron-prebuilt to 0.36.10

• Add the "about" panel for windows and linux (#138)
• Add zoom options (#137)
• Application close (#123)
• Application crash when hiding or closing the app (#109)
• Do not add a big red dot on side bar for servers with unread messages (#132)
• Enable multilanguage spell checker; Allow user to set languages. (#124)
• Fix "Close Window" on OS X minimizes (#72)
• Improve spellchecker (#122)
• Improvements/huspell dicts (#128)
• Mac desktop client: Reload minimizes instead (#129)
• Open DevTools for active server (#136)
• Open DevTools for selected server instead of Electron (#133)
• Option to start the client hidden (#118)
• Prevent cache of server icon
• Reload current server instead of all application (#135)
• Right click reload server (#134)
• Spellchecker language not autodetecting on OS X (#119)
• Spellchecker not showing correct suggestions (#121)