Fix support for Mozilla-based browsers, e.g. Pale Moon (#1490517)

Conflicts:
	program/js/app.js

CHANGELOG

@@ -9,6 +9,7 @@ CHANGELOG Roundcube Webmail
 - Fix handling of plus character in mailto: links (#1490510)
 - Fix so adding CC/BCC recipients from the sidebar unhides compose form fields in Classic skin (#1490472)
 - Fix so gc.sh script removes also expired sessions from sql database (#1490512)
+- Fix support for Mozilla-based browsers, e.g. Pale Moon (#1490517)
 
 RELEASE 1.0.6
 -------------

program/js/app.js

@@ -141,8 +141,8 @@ function rcube_webmail()
     var n, p = this;
     this.task = this.env.task;
 
-    // check browser
-    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9))) {
+    // check browser capabilities (never use version checks here)
+    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test())) {
       this.goto_url('error', '_code=0x199');
       return;
     }