Conan_Usage.md

@@ -2,16 +2,22 @@
 
 ## Setup
 
-* install conan:
+* Install conan.
 ```
 pip install conan
 ```
 
-* configure conan to use our package repository for packages we (still) need to provide ourselves:
+* Define the environment variable CONAN_USER_HOME, to avoid that the conan package storage cache is stored in your user directory and is thus synchronized with your profile.
+```
+set CONAN_USER_HOME=xxx  \\ with xxx being a local directory on your PC
+```
+
+
+* Configure conan to use our package repository for packages we (still) need to provide ourselves.
 ```
 conan remote add rwth-vr--bintray https://api.bintray.com/conan/rwth-vr/conan 
 ```
-* for conan >v1.0 we might also need
+* For conan >v1.0 we might also need:
 ```
 conan remote add bincrafters_public https://api.bintray.com/conan/bincrafters/public-conan
 ```