[vreg api update] remove some deprecation warnings

[test] update test: class initialization done in etype_class now

[vreg] fix deprecation messages

[appobject selection process] drop the need for the .selected method

[appobject] kill VObject class, move base selector classes to appobject

R [base classes] only AppObject remaning, no more AppRsetObject

merge

[twisted] don't use twistd anymore, all-in-one.py file is needed anymore

[uicfg] reload uicfg when vregistry is being reset

[refactoring] moved rtags specification in web/views

[registry] when a source file is changed, reset and reload the whole registry

R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw

B [supervising] ignore updated event for entities created in the same transaction

F [rset repo cache] set entity.rset when no set on entities retreived from the cache

enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK

#F [querier] debugging tweak

F [adapted list view] fix selector

F [view] missing import

web test update

cleanup

R [schema hooks] big refactoring / reorganization for clearer code, a few fixes on the way

uicfg bugs detected by tests

R import to avoid warning

oops

R [test] update and fix deprecation warnings

R [web test] rewrite schema with a single python module

F [cw.test] OK

explicit imports

get_csv is being renamed to splitstrip

B [schema update] may remove has_text unexpectedly, give another argument to fix it