README changes

README.md

@@ -13,6 +13,7 @@ Help and discussion: [DAVdroid forums](https://davdroid.bitfire.at/forums)
 
 Parts of DAVdroid have been outsourced into these libraries:
 
+* [cert4android](https://gitlab.com/bitfireAT/cert4android) – custom certificate management
 * [dav4android](https://gitlab.com/bitfireAT/dav4android) – WebDAV/CalDav/CardDAV framework
 * [ical4android](https://gitlab.com/bitfireAT/ical4android) – iCalendar processing and Calendar Provider access
 * [vcard4android](https://gitlab.com/bitfireAT/vcard4android) – VCard processing and Contacts Provider access
@@ -28,7 +29,6 @@ Those libraries are used by DAVdroid (alphabetically):
 * [dnsjava](http://www.xbill.org/dnsjava/) – [BSD License](http://www.xbill.org/dnsjava/dnsjava-current/LICENSE)
 * [ez-vcard](https://code.google.com/p/ez-vcard/) – [New BSD License](http://opensource.org/licenses/BSD-3-Clause)
 * [iCal4j](http://ical4j.sourceforge.net/) – [New BSD License](http://sourceforge.net/p/ical4j/ical4j/ci/default/tree/LICENSE)
-* [MemorizingTrustManager](https://github.com/ge0rg/MemorizingTrustManager) – [MIT License](https://raw.githubusercontent.com/ge0rg/MemorizingTrustManager/master/LICENSE.txt)
 * [okhttp](https://square.github.io/okhttp/) – [Apache License, Version 2.0](https://square.github.io/okhttp/#license)
 * [Project Lombok](http://projectlombok.org/) – [MIT License](http://opensource.org/licenses/mit-license.php)
 * [SLF4J](http://www.slf4j.org/) – [MIT License](http://www.slf4j.org/license.html)

app/src/main/java/at/bitfire/davdroid/ui/AboutActivity.java

@@ -89,9 +89,6 @@ public class AboutActivity extends AppCompatActivity {
             ), new ComponentInfo(
                     "ical4j", "2.x", "https://ical4j.github.io/",
                     "Ben Fortuna", R.string.about_license_info_no_warranty, "bsd-3clause.html"
-            ), new ComponentInfo(
-                    "MemorizingTrustManager", null, "https://github.com/ge0rg/MemorizingTrustManager",
-                    "Georg Lukas", R.string.about_license_info_no_warranty, "mit.html"
             ), new ComponentInfo(
                     "OkHttp", null, "https://square.github.io/okhttp/",
                     "Square, Inc.", R.string.about_license_info_no_warranty, "apache2.html"

cert4android

@@ -1 +1 @@
-Subproject commit e8220930201f34bc3f8a371b3df8cfdecff4e249
+Subproject commit a0570cb416ae586fbdc8c2f7383d89966b53d62e