Merge pull request #1 from chriadam/master

[signon-plugin-oauth2] Use Qt5 to build
[signon] Fix build
[packaging] Sanitize packaging, add devel package (those are related)
[signon-plugin-oauth2] Manually time out HTTP requests after 30 seconds
Merge pull request #2 from special/master

[signon-plugin-oauth2] Manually time out HTTP requests after 30 seconds