Add java.classpath.variables setting

Author: jjohnstn

package.json

@@ -1326,11 +1326,20 @@
             "default": false,
             "scope": "window"
           },
-		  "java.codeGeneration.generateCommentsInMarkdown": {
-		    "type": "boolean",
-		    "description": "Generate Javadoc comments in Markdown style (requires source compliance >= 23).",
-		    "default": false
-		  },
+          "java.codeGeneration.generateCommentsInMarkdown": {
+            "type": "boolean",
+            "description": "Generate Javadoc comments in Markdown style (requires source compliance >= 23).",
+            "default": false
+          },
+          "java.classpath.variables": {
+            "type": "array",
+            "description": "Set of classpath variable strings of the form: \"name=path\" that are used to resolve classpath entries.",
+            "items": {
+              "type":"string",
+              "pattern": "[a-zA-Z_$][a-zA-Z0-9_$]*=.*"
+            },
+            "scope": "window"
+          },
           "java.codeGeneration.toString.template": {
             "type": "string",
             "description": "The template for generating the toString method.",