Correct erroneous use of statics in DataAccessRuleDAO's
Update doc/en/user/source/services/wms/reference.rst

fixed small typo on inimage exception
Merge pull request #160 from jsanz/master

Typo on inimage exception WMS reference doc
Merge pull request #159 from dwins/security-dao-logging

Correct erroneous use of statics in DataAccessRuleDAO's