Moved errors and refreshing into background
Improved error message display
Added ErrorDialog back in
Merge pull request #46 from iBeliever/hidden-errors

Moved handling of errors and refreshing into the background
Added info to CHANGELOG and bumped version number (now v0.2.7)
Added weather service info dialog
Improved about data
Pulled in upstream changes from master

Conflicts:
	src/qml/main.qml
	src/weather-desktop.cpp
	src/weather-desktop.h
Moved credits and refresh time into a row and added refresh indicator