Update doc

Signed-off-by: Rainer Kartmann <rainer.kartmann@kit.edu>

etc/doxygen/pages/HowTos.dox

@@ -2,10 +2,12 @@
 
 \page ArmarXGui-HowTos ArmarXGui HowTos
 
-- \subpage ArmarXGui-HowTos-Build-Gui-Plugin
+- \subpage ArmarXGui-HowTos-Build-Gui-Plugin "Create your own GUI plugin"
 - \subpage ArmarXGui-HowTos-Add-Proxy-To-StatechartContext
-- \subpage ArmarXGui-HowTos-Statechart-Editor-Migration "Migrate to Statechart Editor codegenerator"
 - \subpage ArmarXGui-HowTos-Add-DataType-To-StatechartContext
+- \subpage ArmarXGui-HowTos-Statechart-Editor-Migration "Migrate to Statechart Editor codegenerator"
+
+
 \page ArmarXGui-HowTos-Build-Gui-Plugin How to create your own gui plugin
 
 Every plugin consits of:
@@ -66,13 +68,18 @@ QTimer or timerEvent(QTimerEvent) are running in the same thread as the main app
 suitable for network calls.
 Especially periodic network calls like updating data should be in a seperate thread.
 
+
+
 \page ArmarXGui-HowTos-Add-Proxy-To-StatechartContext How to add your own interfaces to a statechart context
 
-In the Statechart Editor in the statechart group settings dialog it is possible to specify which
-components should be accessible from states inside of this statechart group.
-This list of interfaces is specified in VariantInfo-${PACKAGENAME}.xml files in each package.
-This file is located in each package at ${PACKAGENAME}/data/${PACKAGENAME}/VariantInfo-${PACKAGENAME}.xml.
-This file might look like this:
+In the Statechart Editor, in the statechart group settings dialog, it is possible to specify which
+topics and components (proxies) should be accessible from states inside this statechart group.
+
+To make new topics and components (proxies) available in this dialog, they need to be specified and
+described in the `VariantInfo-${PACKAGENAME}.xml` file of the containing package.
+This file is located in each package at `${PACKAGENAME}/data/${PACKAGENAME}/VariantInfo-${PACKAGENAME}.xml`.
+The file might look like this:
+
 \verbatim
 <?xml version="1.0" encoding="utf-8"?>
 <VariantInfo>
@@ -97,14 +104,20 @@ This file might look like this:
 </VariantInfo>
 \endverbatim
 
-To add a new proxy, add another *Proxy*-tag with the content like in the example matching to your proxy.
+To add a new proxy, add another `Proxy` tag with the content like in the example matching to your proxy.
+The same can be done for topics using the `Topic` tag.
 
-If the file is in your own package, you also need to add your package to the defaultpackages:
-In ~/.armarx/default.cfg add the line (the package list speficies the global default packages for all applications):
+If the file is in your own package, you also need to add your package to the additional packages:
+In `~/.armarx/default.cfg` add the line (the package list speficies the global default packages for all applications):
 \verbatim
-ArmarX.DefaultPackages=${YOURPACKAGENAME},ArmarXCore, ArmarXGui, MemoryX, RobotAPI, RobotComponents, RobotSkillTemplates, ArmarXSimulation, VisionX
+ArmarX.AdditionalPackages=${YOURPACKAGENAME},Armar6Skills,...
 \endverbatim
 
+If not done already, you might also have to add the path to your package to the Statechart Groups
+Search Paths. This is done by clicking the settings wheel icon (right of the save button) in the
+Statechart Editor and choosing "Add Path".
+
+
 
 \page ArmarXGui-HowTos-Add-DataType-To-StatechartContext How to add your own data type to a statechart