Change flight route width computation to use more reliable O(n^2) method.
Fixes priestc/flightloggin2#9
fix incorrect page title for bar graphs
Merge pull request #23 from bovine/bartitle

fix incorrect page title for bar graphs
removed cache for landing page fixes #22
allow flights on retired planes to still count towards currency.
Fixes priestc/flightloggin2#26
Merge pull request #27 from bovine/retiredcurrency

allow flights on retired planes to still count towards currency.
mention deprecation of OpenID accounts
Merge pull request #31 from bovine/login2

mention deprecation of OpenID accounts
Merge pull request #16 from bovine/distance

Change flight route width computation to use more reliable O(n^2) method...