Update docs

readme.md

@@ -10,9 +10,7 @@ collection, editing and publishing of bibliographic data.
 - [End User Documentation](http://help.bibliograph.org)
 - [Download](http://sourceforge.net/projects/bibliograph/files/latest/download)
 - [Installation](install.md)
-- [Docker Build](https://registry.hub.docker.com/u/cboulanger/bibliograph/)
 - [Release Notes](release-notes.md)
-- [User Forum](http://forum.bibliograph.org)
 - [Flattr](https://flattr.com/submit/auto?user_id=panyasan&url=https://github.com/cboulanger/bibliograph&title=Bibliograph&language=javascript&tags=github&category=software) or [donate to the project](http://sourceforge.net/p/bibliograph/donate)
 
 Bibliograph
@@ -114,7 +112,10 @@ Bibliograph is developed using
 - [GitHub](http://github.com) (Version control and code hosting)
 - [BrowserStack](http://browserstack.com) (Browser testing service - sponsored Open Source license)
 
-The author wishes to thank:
+In particular, the author wishes to thank:
+- Gerrit Oldenburg (Humboldt Universität zu Berlin) for finding and fixing various
+  bugs and providing preliminary PHP7-compatibility, and for supporting and
+  maintaining the software at Humboldt Universität.
 - Serge Barysiuk for providing assistance with UI generation, and for designing
   the application logo;
 - Julika Rosenstock for writing the first version of the end user documentation, Till Rathschlag

release-notes.md

@@ -1,14 +1,14 @@
 Release notes
 =============
 
-Version 2.1.1 (...)
+Version 2.2 (July 2017)
 -----------------------
-- Upgrade to qoodoo 5.0.1
+- Integrated fixes from Gerrit Oldenburg (Humboldt University Berlin) for 
+  compatibility with PHP 7 and newer MySQL versions
+- Upgrade to qoodoo 5.0.2
 - Partial rewrite of the z3950 plugin, now uses a ServerProgress widget to indicate
   the progress of the search request
 - Removed the annoying "No connection to server" alert if a server request fails
-- ...
-
 
 Version 2.1 (Mid-2015)
 -----------------------

roadmap.md

@@ -1,7 +1,12 @@
-Sponsor a feature
-=================
+# Roadmap
+## Bibliograph v3
+- Fully upgrade to PHP 7
+- Replace homegrown qcl framework with a modern, widely-used framework such as Yii
+
+## Sponsor a feature
 If you need a particular feature, you can hire me to delevop it. Write to
 info at bibliograph dot org. Possible features are:
+- Zotero integration
 - a mobile version
 - a library book checkout system
 - sync with desktop reference managers
@@ -11,13 +16,3 @@ and much more. I'll be happy to develop a plugin for your particular need.
 Features/changes that might be implemented or not, depending on
 my free time & sufficient interest:
 
-Version 2.2
-===========
-
-- New plugin: share reference on twitter, facebook, etc. 
-- New plugin: lookup reference in library catalogues -> where is book available
-- New plugin: Zotero connector
-- New plugin: NodeJS-based realtime messaging, the current PHP solution just #
-  doesn't cut it.
-- Move authors & keywords to own tables to allow metadata connections
-