Build 160710 (stable)

• conemu#766: ConEmuSetup improvements and error handling.
  • Don’t show MessageBox in auto mode (chocolatey, autoupdate);
  • Log error messages to log-file in the exe’s folder;
  • In case TEMP directory is inaccessible, just use exe’s folder.
• conemu#740: Try to convert paths to cygwin style if clipboard doesn’t contain \n while pasting to cygwin/msys shells.
• In some cases ‘Alternative font’ was not used for first cell in a row (1536b94 regression).