Add QT_PREFIX to Windows environment
Add a script to generate qml imports qrc for static builds
Ignore generated qrc file
Fix style inconsistency in the project file
Detect static Qt and add `cryptoshark_static_qt` to config if so
Customize search paths for static builds

This means we won't be looking for plugins and qml imports on the file-
system at all.
Embed qml imports for static builds