[dbapi] load_appobjects must attempt to load available cubicweb configurations to avoid error when some object use a persistent propery (CWProperty) defined there. Closes #2497697
\.svn
^build$
^dist$
\.pyc$
\.pyo$
\.bak$
\.old$
\~$
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\.swp$
^doc/book/en/apidoc$
\.old$
syntax: regexp
.*/data/database/.*\.sqlite
.*/data/database/.*\.config
.*/data/database/tmpdb.*
.*/data/ldapdb/.*
^doc/html/
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^doc/book/en/devweb/js_api/