*8980* fix generation of ul.interests in ojs register page only when it will have contents  ##eirikhanssen/validation-2_4_5##
Merge pull request #204 from eirikhanssen/validation-2_4_5

*8980* fix validation (conditional generation of ul.interests in ojs register page)
change message key="common.language" to "Choose Language" for Norwegian, Swedish and Us layouts that we use
add information about usual msie-related login issues to the login page with link to a html-file with more detailed descriptions
adding translations for norwegian locale