Restore Py26 compat
Restore Py26 compat

Compatibility was broken with the latest cbft additions. Fixes are:

* Explicit format placeholder index ('{0}' vs '{}')
* No dict comprehension ({x: stuff for x in iterable})

Change-Id: I38992839fee712a2b6ac2ae4795576f16b1eda43
Reviewed-on: http://review.couchbase.org/63717
Reviewed-by: Will Gardner <cbd6f5d9092d9ef7d5c0510d53bba134b22c02f2@couchbase.com>
Tested-by: Mark Nunberg <dab05a0fe859c5cb93882b2a75a0d613501b07be@couchbase.com>

couchbase/couchbase-python-client,couchbase/couchbase-python-client