update to jdtls 0.35 for getting recent fix for signature help

Author: Andreas Gerlach

lib/main.js

@@ -11,9 +11,9 @@ const {
   removeUnusedImportProvider
 } = actionProviders
 
-const serverDownloadUrl = 'http://download.eclipse.org/jdtls/milestones/0.34.0/jdt-language-server-0.34.0-201902280418.tar.gz'
-const serverDownloadSize = 38853370
-const serverLauncher = '/plugins/org.eclipse.equinox.launcher_1.5.200.v20180922-1751.jar'
+const serverDownloadUrl = 'http://download.eclipse.org/jdtls/milestones/0.35.0/jdt-language-server-0.35.0-201903142358.tar.gz'
+const serverDownloadSize = 38920044
+const serverLauncher = '/plugins/org.eclipse.equinox.launcher_1.5.300.v20190213-1655.jar'
 const minJavaRuntime = 1.8
 const bytesToMegabytes = 1024 * 1024