Merge !1175

Add blog post with announcement for GUI 0.15.02

See merge request monero-project/monero-site!1175

_posts/2019-12-15-monero-GUI-0.15.0.2-released.md

+---
+layout: post
+title: Release 0.15.0.2 of Monero GUI
+summary: Monero GUI 0.15.0.2 released
+tags: [releases]
+author: ErCiccione
+---
+
+### Overview
+This is the **v0.15.0.2 release of the Monero GUI software**. This release mostly introduces bug fixes and improvements to the user experience.
+
+### Changelog
+
+The major changes introduced with this release are:
+
+- Fix Trezor support on Linux
+- Fix blank screen on Tails startup
+- Translation improvements
+- Fix update notification hash
+- Persistent subaddress account selection
+- Various UI/UX improvments
+- Minor bug fixes and performance improvements
+
+Note that you can find a full changelog [on GitHub](https://github.com/monero-project/monero-gui/compare/v0.15.0.1...v0.15.0.2).
+
+### Download Links
+
+- [Windows 64-bit installer](https://downloads.getmonero.org/gui/monero-gui-install-win-x64-v0.15.0.2.exe)
+- [Windows 64-bit](https://downloads.getmonero.org/gui/monero-gui-win-x64-v0.15.0.2.zip)
+- [Linux 64-bit](https://downloads.getmonero.org/gui/monero-gui-linux-x64-v0.15.0.2.tar.bz2)
+- [Mac OS X 64-bit](https://downloads.getmonero.org/gui/monero-gui-mac-x64-v0.15.0.2.tar.bz2)
+
+You can also compile it from source by yourself. See the [instructions on GitHub](https://github.com/monero-project/monero-gui)
+
+### Verify Hashes
+
+If you would like to verify that you have downloaded the correct file, check the following SHA256 hashes using these guides: [Verify binaries on Windows (beginner)]({{site.baseurl}}/resources/user-guides/verification-windows-beginner.html) and [Verify binaries on Linux, Mac, or Windows command line (advanced)]({{site.baseurl}}/resources/user-guides/verification-allos-advanced.html).
+
+```
+monero-gui-win-x64-v0.15.0.2.zip, 8684d9ba3cdad8f9b73bbcae85a69f7eb3cfd27db030163485e066131b68e7b7
+monero-gui-install-win-x64-v0.15.0.2.exe, e09edd01afa7f2224b3498825e5ba5dcf3fe887efb0b3ff07bbc30c5bce847f1
+monero-gui-mac-x64-v0.15.0.2.tar.bz2, a652484a2a74f0d2697a4f0c000221d2a90927b8b8d536f1429756596d048f90
+monero-gui-linux-x64-v0.15.0.2.tar.bz2, e21d688b5e26c3dea7c774e97fdd44f169abd218d212378eaacab5c64ea80f7d
+```
+
+A GPG-signed list of the hashes is at https://getmonero.org/downloads/hashes.txt and should be treated as canonical, with the signature checked against the appropriate GPG key in the source code (in [/utils/gpg_keys](https://github.com/monero-project/monero/tree/master/utils/gpg_keys))
+