* Revise Ref topology model
Update FPP version
Use new FPP syntax for concrete instance types
* Revise RPI example
Use new FPP syntax for instance types
* Revise Ref and RPI topologies
Use new FPP syntax for LinuxTime instance
* Update FPP version
* Update FPP version
* Revise Ref topology
Remove special C++ code for blockDriver
* Update RPI topology
Remove specialized code for declaring linuxTimer instance
* Update FPP version
* lestarch: bumping latest version of FPP
* Update .lgtm.yml
* lestarch: installing sbt
* lestarch: adding pip upgrade
Co-authored-by: M Starch <LeStarch@googlemail.com>