ViewPager works at email/attachment display.
Nullpointer exception bugfix.
Merge branch 'master' into email_attachment
Merge branch 'master' into email_attachment
Attachment downloading, we have some more work to do with it.
Email attachment progressbar continue updating after reopen.
Master merged into email_attachment branch.
Attachment list element view works.
Email atachment download.
Email backbutton logger changed.
Old emailDisplayer removed.
Fragment creation fixed: not constructor, but newInstance
Bugfix: remove fragment constructor, create via newInstance method.