logging: Add thread id and some formatting to HYBRIS_LOG

Since we are doing multithreaded rendering, current thread is usually
relevant information.

Since touching it, add some formatting to visually separate elements
in the beginning of the line.

Signed-off-by: Kalle Vahlman <kalle.vahlman@movial.com>
Merge pull request #125 from kvahlman/threadlogging

logging: Add thread id and some formatting to HYBRIS_LOG