Update test_config.py

Add check to functionality of __str__ (not really required only for coverage purpose ;))
assets: jquery should be loaded first before bootstrap and jquery.ime

Both depends on jquery
Without it, they throw js errors
Test to checking loglevel setting added

Signed-off-by: Vasudev Kamath <kamathvasudev@gmail.com>
ignore coverage generated html files
Use jquery.ime as a git submodule
Documentation: Some corrections to installation instructions
Use set comprehension to generate module list

set are faster when we need to do item lookup.