Add parallel build settings.

Signed-off-by: Yaohai Zheng <yaozheng@microsoft.com>

Author: yaohaizh

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change Log
 
+## 0.36.0 (TBD)
+* enhancement - new `java.maxConcurrentBuilds` preference to set max simultaneous project builds. See [#741](https://github.com/redhat-developer/vscode-java/pull/741).
+
 ## 0.35.0 (November 30th, 2018)
 * enhancement - `Organize imports` moved to `Source Action...` menu. See [#513](https://github.com/redhat-developer/vscode-java/issues/513).
 * enhancement - rename refactoring now supports file operations (rename/move file). See [JLS#43](https://github.com/eclipse/eclipse.jdt.ls/issues/43).

README.md

@@ -61,10 +61,6 @@ The following commands are available:
 - `Java:Clean the Java language server workspace`: Clean the Java language server workspace.
 - `Java:Attach Source`: Attach a jar/zip source to the currently opened binary class file. This command is only available in the editor context menu.
 
-*Changes in 0.35.0:*
-- `Java:Organize imports` command has been removed from the editor context menu. It is now a code action item of the standard context menu `Source Action...`. Its default shortcut (`Shift+Alt+O`) is unchanged. See this [link](https://code.visualstudio.com/docs/editor/refactoring#_keybindings-for-code-actions) about how to customize keybindings for code actions.
-
-
 Supported VS Code settings
 ==========================
 The following settings are supported:
@@ -95,6 +91,10 @@ The following settings are supported:
 * `java.completion.guessMethodArguments` : When set to true, method arguments are guessed when a method is selected from as list of code assist proposals.
 * `java.completion.enabled` : Enable/disable code completion support.
 
+*New in 0.36.0:*
+* `java.maxConcurrentBuilds`: Set max simultaneous project builds.
+
+
 Troubleshooting
 ===============
 1. Check the status of the language tools on the lower right corner (marked with A on image below).