Support "textDocument/selectionRange" (#976)

Signed-off-by: Rome Li <rome.li@microsoft.com>

Author: akaroml

README.md

@@ -98,6 +98,7 @@ The following settings are supported:
 * `java.completion.enabled` : Enable/disable code completion support.
 * `java.configuration.checkProjectSettingsExclusions`: Checks if the extension-generated project settings files (`.project`, `.classpath`, `.factorypath`, `.settings/`) should be excluded from the file explorer. Defaults to `true`.
 * `java.foldingRange.enabled`: Enable/disable smart folding range support. If disabled, it will use the default indentation-based folding range provided by VS Code.
+* `java.selectionRange.enabled`: Enable/disable Smart Selection support for Java. Disabling this option will not affect the VS Code built-in word-based and bracket-based smart selection.
 * `java.maven.downloadSources`: Enable/disable eager download of Maven source artifacts.
 * `java.codeGeneration.hashCodeEquals.useInstanceof`: Use 'instanceof' to compare types when generating the hashCode and equals methods. Defaults to `false`.
 * `java.codeGeneration.hashCodeEquals.useJava7Objects`: Use Objects.hash and Objects.equals when generating the hashCode and equals methods. This setting only applies to Java 7 and higher. Defaults to `false`.
@@ -114,7 +115,7 @@ The following settings are supported:
 * `java.import.gradle.arguments`: Arguments to pass to Gradle.
 * `java.import.gradle.jvmArguments`: JVM arguments to pass to Gradle.
 * `java.import.gradle.home`: setting for GRADLE_HOME.
-
+* `java.selectionRange.enabled`: Setting for Smart Selection support for Java. When it's on, Expand/Shrink Selection works better for Java code.
 
 Troubleshooting
 ===============

package-lock.json

@@ -11,7 +11,7 @@
   "preview": true,
   "enableProposedApi": false,
   "engines": {
-    "vscode": "^1.31.0"
+    "vscode": "^1.33.0"
   },
   "repository": {
     "type": "git",
@@ -373,6 +373,12 @@
           "description": "Limit number of items in arrays/collections/maps to list, if 0 then list all.",
           "default": 0,
           "scope": "window"
+        },
+        "java.selectionRange.enabled": {
+          "type": "boolean",
+          "default": true,
+          "description": "Enable/disable Smart Selection support for Java. Disabling this option will not affect the VS Code built-in word-based and bracket-based smart selection.",
+          "scope": "window"
         }
       }
     },
@@ -514,12 +520,12 @@
     "tslint": "^5.11.0",
     "typescript": "^3.4.1",
     "typescript-tslint-plugin": "^0.3.1",
-    "vscode": "^1.1.33",
+    "vscode": "^1.1.35",
     "webpack": "^4.27.1",
     "webpack-cli": "^3.1.2"
   },
   "dependencies": {
-    "vscode-languageclient": "~5.1.1",
+    "vscode-languageclient": "5.3.0-next.6",
     "find-java-home": "0.2.0",
     "tmp": "^0.0.33",
     "path-exists": "^3.0.0",