reorganize browserid process - break out view serving and wsapi handling.  preparation for dbwriter split.  issue #460

fix test harness hangs.  because output can be buffered, the line indicating browserid startup is complete may come in a multiline chunk.  closes #550

test fix: when comparing two cookies that should be the same, strip the embedded date, as that changes every second (and causes intermittent errors) - closes #531

fix race condition between token request and waiting for token, was causing test hangs.  closes #530

allow anyone running tests to define 'LOG_TO_CONSOLE' in their environment to get verbose logging output on the console.  issue #530

test fix: when comparing two cookies that should be the same, strip the embedded date, as that changes every second (and causes intermittent errors) - closes #531

fix race condition between token request and waiting for token, was causing test hangs.  closes #530

allow anyone running tests to define 'LOG_TO_CONSOLE' in their environment to get verbose logging output on the console.  issue #530