Make bisection search and javafuzz python modules

Adds __init__.py files required for bisection search and javafuzz
to be considered modules.

Renames bisection-search directory to bisection_search. This is
required because bisection-search is not a valid python module
name.

Test: manual

Change-Id: If85ac5392b10184add17816eab2294b260f72452
6 files changed