In order to remove "contettable" class from tables created through RTE (htmlarea extension) it is required to add the following lines of code in TSref (Setup):

lib.parseFunc_RTE{
 externalBlocks{
 table.stdWrap.HTMLparser.tags.table.fixAttrib.class { 
##Add a class for table using "default" 
default =...

A bug is present on felogin extension of TYPO3.

If "showLogoutFormAfterLogin" is enabled no redirects will be checked. Disabling the property the redirect will works fine.

For more information there is a link to bug issue