debugging tweaks

[F repo sqlite schema changes] don't rollback on potentially expected schema changes failure

[R schema hooks] rename META_RELATIONS_TYPES into META_RTYPES, use it and other schema consts to avoid errors

merge

F [dialog] offer to create backup. refactor to use l.c.shellutils.ASK

F [doc] mark code block as python source in cookbook

R [all] logilab.common 0.44 provides only deprecated

[doc] update generate_modules to match new sphinxutils API

[R source cnx] use connection wrapper's close method

[F native source] fix attempts to clear cache key

[F workflow repo] don't try to get previous state of newly created entities

[F repo tests] tests have to be updated: * fix schema (stuff missed while rewriting old .sql / .rel files to python) * '* in_basket Basket' now consider all entity types * new ExternalUri / cwuri ertypes * group eids have changed

[F hooks] skip new eids as well as pending ones in DelayedDelete operation

[R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary

[R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] constant, don't check wf related internal relations

[R repo session] add_relation method use in hooks

[R hooks] optmize insertion by using direct repository methods when possible

[F schema] set inlined=False to ensure it'is not inlined by accident

[R querier] new READ_ONLY_RTYPES constant

[F repo debugging] log repo event on DBG_REPO debug level

[R schema hooks] use new accessors on CWRelation and CWAttribute entities

[R schema] dont give an iterator, it's a trap

[C schema seria] cleanup

[R repo, schema] use VIRTUAL_RTYPES const

[F server test] sort for test predictability

[R schemaobjs] property accessors for CWRelation/CWAttribute

F: start to handle binary debug log level on the server side

rewrite migrscheam

C remove no more used copy_schema

[D server test] remove deprecated test on application_hooks file, and associated data