fix TypeFox#65: upgrade to vscode-languageclient 4.4.0

vscode compatibility layer is introduced in order to make use of vscode-languageclient directly instead of vscode-base-languageclient

Signed-off-by: Anton Kosyakov <[email protected]>

Author: akosyakov

Diff for: .npmignore

@@ -1,5 +1,6 @@
 .vscode
 example
+examples
 node_modules
 .gitignore
 .npmignore

Diff for: .travis.yml

@@ -3,8 +3,6 @@ node_js:
   - "6"
   - "8"
   - "9"
-before_install:
-  - npm i -g npm@latest
 install:
   - npm install
   - cd example