Issue #469: Search for non app string,  Issue #470: Search for accented string

Made PEP8 fixes and corrected other nits pointed out by @ypwalter and @aaronmt.

test_everythingme_search.py: (96d9337)       
test_everythingme_search_accented.py: (96d9337)       

Updated the manifest file to indicate that wifi is needed : (6394bbf)