Python updates (#38)

* silence SFINAE disabled for fork_gotcha

* Python updates

- Options for --{module,function}-include
- libpyomnitrace is_initialized and is_finalized
- source instrumentation auto init
- atexit finalization
- improved python testing

* Documentation Update

* Fix to 'cmake -E cat' not available < cmake v3.18

* Fix for inverse tests

* Update cancelling.yml

source/docs/about.md

@@ -6,10 +6,10 @@
    :maxdepth: 4
 ```
 
-[Browse Omnitrace source code on Github](https://github.com/AMDResearch/omnitrace)
+> ***[Omnitrace](https://github.com/AMDResearch/omnitrace) is an AMD research project and should***
+> ***not be treated as an offical part of the ROCm software stack.***
 
-> [Omnitrace](https://github.com/AMDResearch/omnitrace) is an AMD research project and should
-> not be treated as an offical part of the ROCm software stack.
+[Browse Omnitrace source code on Github](https://github.com/AMDResearch/omnitrace)
 
 [Omnitrace](https://github.com/AMDResearch/omnitrace) is designed for both high-level and
 comprehensive application tracing and profiling on both the CPU and GPU.