move the header fields up
make final
use fromNullable
better handle Optional absent of pass
comment->method_name
fix a bug of opionalPass being null
fix tests
fake the useragent for air-canada
better description for air-canada passes
invert if conditions for better readability
Revert "use different workaround for swipe2refresh in layout rather than code"

This reverts commit f9c83b33532fc1cdbaafff9bb8a9e5bfa6f5e5de.
bump versions