Improvements and initial clean up

[bwplotka]

Demo recording was done from this branch.

• Niklas's new age executor filter
• new file hierarchy (code moved to src)
• assurance fractional IPC drop filter (check if signal returns)
• automake cleanup
• pbjson and gmock source moved to tar.gz and untaring in Cmake.

Signed-off-by: bplotka bwplotka@gmail.com

[skonefal]

While tiding up the repository, could you:

• make tar.gz from gmock and pbjson, and remove those src's from repo?
• remove m4 folder and automake (Makefile.am, configure.ac etc.) files
• remove automake from readme

[bwplotka]

@skonefal Done.