Merge remote-tracking branch 'origin/master'

Author: kazuhikoarase

.classpath

@@ -5,11 +5,6 @@
 	<projects>
 	</projects>
 	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
 		<buildCommand>
 			<name>org.eclipse.wst.jsdt.core.javascriptValidator</name>
 			<arguments>
@@ -22,7 +17,6 @@
 		</buildCommand>
 	</buildSpec>
 	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
 		<nature>com.palantir.typescript.typeScriptNature</nature>
 	</natures>