erp5_email_reader: use transaction cache instead of read-only transaction cache
doc: fix typo in simulation diagram
Bug Line: remove file after clone
Test: Repair --run_only

Amend 9240d49802534b7b13902e0d211b606cf1450426: Since many Loaders are
instanciated by unittest itself, filter_test_list still have to be a class
variable
Test displaying and validating a listbox with other field on the page
Listbox: Cleanup REQUEST.cell ( same as 6a83d60 )
add MroongaFullTextKey and MroongaBooleanFullTextKey.
use MroongaFullTextKey in erp5_full_text_mroonga_catalog.
implement fulltext search for title and description.
use similarity search for tokens without boolean operators in MroongaFullTextKey.
fixup! implement fulltext search for title and description.
run tests with erp5_full_text_mroonga_catalog instead of erp5_full_text_myisam_catalog.
test: update for recent erp5_full_text_mroonga_catalog.
* is also a boolean mode decorator.
use DefaultKey as a base class of FullTextKey.

so that it supports other comparison operators like '>', 'like' etc.
support other comparison operators than match or match_boolean in MroongaFullTextKey.
full_text: override *_title and *_description related keys.
full_text: other comparison operators than match / match_boolean are handled by DefaultKey.
full_text: support ignore_empty_string=False case.
full_text: update testERP5Catalog.py.