[issue #31] fix silent fail of create sec jar
[issue #31] add badge indicator to project node

In order to make it more easy for users to see if there is an issue with
the keystore configuration an additional badge is shown in case of
errors. This is similar to the behaviour in the library support project.
Merge branch 'bug/31-sec-jar-gen-fails-silently' into dev
[issue #33] system property substitution

This commit adds the possibility for keystore paths to be defined with
the help of system properties. Now ${var} in a keystore path is
substituted with the value of System.getProperty(var).
Merge branch 'feature/33-user-home-var' into dev