Fix shift-select when navigating UP the messsage list
Merge pull request #146 from cmcnulty/1489397

1489397 - fix shift-down arrow key over thread when going up
Update changelog
Fixed saving contact birthday/anniversary dates before 01-01-1970
Avoid duplicate elements with the same id in HTML. Fixes broken icons in classic skin.
Merge branch 'master' of github.com:roundcube/roundcubemail
Fix an issue where pressing minus key on contacts list was hiding list records (#1489393)