* remove golang.org/x/net dependency
The golang.org/x/net/context package is an alias for stdlib context
since go1.7 (see https://go-review.googlesource.com/72570)
This patch replaces all uses of it for stdlib context.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
* rename App Engine context type to remove import aliases
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>