Possible fix for flickering issues of svdpanel.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Prepared ignitersinstall to not require root privileges to install igniters on user side.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Implemented support for user side default igniter. More in details.

* It's now possible for plain user, to install and use igniters
* No more root privileges requirement in bin/ignitersinstall script.
* User side Default.json now first used if exists.
* Added proper handling of assertion failures in case of not existant Default.json file.
* Improved directory existnace safety in bin/ignitersinstall

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>