update version number in package.json to 1.1.15

CHANGELOG.md

@@ -1,3 +1,28 @@
+<a name="1.1.15"></a>
+## [1.1.15](https://github.com/angular/material/compare/v1.1.14...v1.1.15) (2019-03-29)
+
+
+### Bug Fixes
+
+* **autocomplete:** default dropdown to position bottom ([#11670](https://github.com/angular/material/issues/11670)) ([7674959](https://github.com/angular/material/commit/7674959)), closes [#11656](https://github.com/angular/material/issues/11656)
+* **slider:** aria attrs are not announced when tabbing in screen readers ([#11688](https://github.com/angular/material/issues/11688)) ([459c03c](https://github.com/angular/material/commit/459c03c)), closes [#11685](https://github.com/angular/material/issues/11685)
+* **tabs:** use standard `wheel` event instead of `mousewheel` event to fix Firefox ([#11686](https://github.com/angular/material/issues/11686)) ([7f249f9](https://github.com/angular/material/commit/7f249f9)), closes [#11654](https://github.com/angular/material/issues/11654)
+* **npm:** deploy new release early to fix issue of `1.1.14` including a `.git/` dir for NPM installs, relates to [#11684](https://github.com/angular/material/issues/11684)
+
+### Documentation
+
+* **docs:** scroll position improvements for navigation ([#11671](https://github.com/angular/material/issues/11671)) ([b88368f](https://github.com/angular/material/commit/b88368f)), closes [#11669](https://github.com/angular/material/issues/11669)
+
+### Contributors
+
+Thank you to the contributors who helped with the v1.1.15 release:
+
+[<img alt="Splaktar" src="https://avatars1.githubusercontent.com/u/3506071?v=4&s=117" width="117">](https://github.com/Splaktar) |[<img alt="gaurav5430" src="https://avatars2.githubusercontent.com/u/12510548?v=4&s=117" width="117">](https://github.com/gaurav5430) |
+:---: | :---: |
+[Splaktar](https://github.com/Splaktar) | [gaurav5430](https://github.com/gaurav5430) |
+
+
+
 <a name="1.1.14"></a>
 ## [1.1.14](https://github.com/angular/material/compare/v1.1.13...v1.1.14) (2019-03-18)
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-material-source",
-  "version": "1.1.14",
+  "version": "1.1.15",
   "description": "The AngularJS Material project is an implementation of Material Design in AngularJS. This project provides a set of reusable, well-tested, and accessible Material Design UI components. AngularJS Material is supported internally at Google by the AngularJS, Material Design UX and other product teams.",
   "keywords": [
     "client-side",