allow more special chars in titles

Author: adarshaks91

schema.json

@@ -8,7 +8,7 @@
       "properties": {
         "title": {
           "type": "string",
-          "pattern": "^[ a-zA-Z0-9\\-+()\/,.<]*$"
+          "pattern": "^[ a-zA-Z0-9\\-+()\/,.<&:]*$"
         },
         "description": {
           "type": "string"
@@ -39,7 +39,7 @@
         },
         "title": {
           "type": "string",
-          "pattern": "^[ a-zA-Z0-9\\-+()\/,.<\\?]*$",
+          "pattern": "^[ a-zA-Z0-9\\-+()\/,.<\\?&:]*$",
           "minLength": 3
         },
         "caption": {
@@ -72,7 +72,7 @@
         },
         "title": {
           "type": "string",
-          "pattern": "^[ a-zA-Z0-9\\-+()\/,.<]*$",
+          "pattern": "^[ a-zA-Z0-9\\-+()\/,.<&:]*$",
           "minLength": 3
         },
         "description": {