GUACAMOLE-448: Add parameters for disabling bitmap caching.

guacamole-ext/src/main/resources/org/apache/guacamole/protocols/rdp.json

@@ -219,6 +219,16 @@
                     "name"    : "enable-menu-animations",
                     "type"    : "BOOLEAN",
                     "options" : [ "true" ]
+                },
+                {
+                    "name"    : "disable-bitmap-caching",
+                    "type"    : "BOOLEAN",
+                    "options" : [ "true" ]
+                },
+                {
+                    "name"    : "disable-offscreen-caching",
+                    "type"    : "BOOLEAN",
+                    "options" : [ "true" ]
                 }
             ]
         },

guacamole/src/main/webapp/translations/en.json

@@ -328,6 +328,8 @@
         "FIELD_HEADER_ENABLE_FONT_SMOOTHING"      : "Enable font smoothing (ClearType):",
         "FIELD_HEADER_ENABLE_FULL_WINDOW_DRAG"    : "Enable full-window drag:",
         "FIELD_HEADER_ENABLE_MENU_ANIMATIONS"     : "Enable menu animations:",
+        "FIELD_HEADER_DISABLE_BITMAP_CACHING"     : "Disable bitmap caching: ",
+        "FIELD_HEADER_DISABLE_OFFSCREEN_CACHING"  : "Disable off-screen caching: ",
         "FIELD_HEADER_ENABLE_PRINTING"            : "Enable printing:",
         "FIELD_HEADER_ENABLE_SFTP"     : "Enable SFTP:",
         "FIELD_HEADER_ENABLE_THEMING"             : "Enable theming:",