[web action] has_permission_update checked implicitly by has_editable_relation, don't check it twice

[muledit] form may contains subforms with nothing editable that will be s kipped, so ensure we choose one with something to display when rendering table headers

[c-c i18n] namespace/line wrap cleanup + dynamically compute available language + make it works in installed mode

[i18n] no more necessary, those msgids are no more generated

[wf component] reversing selectors here may be a huge performance win on big rsets, since EntityVComponent selector starts with one_line_rset

don't add another encoding if already present in content-type

[book] note about different encryption on Unix and Windows

make reset-admin-pwd work with sqlserver as db backend the pyodbc sqlserver db backend depends on being passed the cw_upassword value as a buffer object to bind it to a binary column (which is usually done when CW is dealing with passwords).

[book] updated FAQ 'How to reset the password for user joe' with SQL Server syntax

fix test so that we don't actually depends on file and email cubes

[selectors] multi_lines_rset selector supports now optional operator for richer comparaisons

exception: specify expected parameter in NoSelectableException Enforce expected parameters, reformat exception message in class itself and change some log messages in calling code.

[testlib] don't wrap main test connection into TestCaseConnectionProxy, it should not be closed afterwards

[doc] add note about propagation on deletion of a watched relation