MAIRA-7: Add new comment pulldown menuitem to comment view

[attachments] show larger image in attachment view

[login] cookie-based web vpn etc authentication support

[notifications] fix preview notification remote action, show details …

…if only one new activity

[ux] add horizontal flick to description and comments

RichText preformatted text/code makes long lines that do not wrap. Flick allows to look full text.

[ux] show retry login menuitem if not logged in

[issues] add issue links list to issue view

activitystream, issuetypselector, new issue messagebox

reload activitystream properly
fix preview image in activitystream
unhardcode issue icon size in issue type selector
show messagebox when new issue was created

years...

Once I was seven years old, my mama told me,
"Go make yourself some friends or you'll be lonely."
Once I was seven years old

[maira] Move post/request to main qml. Make local files point to server