review install license code


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20752 35612d4c-9d10-0410-837c-bf9dd1be60d7
apply 20754

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20755 35612d4c-9d10-0410-837c-bf9dd1be60d7
Permit to delete license from computer


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20756 35612d4c-9d10-0410-837c-bf9dd1be60d7
fix gettext


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20759 35612d4c-9d10-0410-837c-bf9dd1be60d7
Check _rss dir on manage rss feeds


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20761 35612d4c-9d10-0410-837c-bf9dd1be60d7
 Password with < or > see #4310


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@20764 35612d4c-9d10-0410-837c-bf9dd1be60d7