Custom bootstrap tooltip with separate styles and directive (#345)

* Launch application scancodes (closes #328)

* simple directive to map bootstrap tooltip, add sample usage

* Custom bootstrap tooltip with separate styles and directive (closes #329)

* fix: linting issues

* fix: try to ignore stylelint for !important

* review: simple tooltip with html content and custom styles

* cleanup extra html tags for tooltip sample

package.json

@@ -20,6 +20,7 @@
     "@types/electron-devtools-installer": "^2.0.2",
     "@types/electron-settings": "^3.0.0",
     "@types/file-saver": "0.0.1",
+    "@types/bootstrap": "3.3.34",
     "@types/jquery": "^3.2.6",
     "@types/node": "^8.0.9",
     "@types/node-hid": "^0.5.2",