Disable annoying MSVC bool/integer warnings
Disable annoying MSVC bool/integer warnings

This disables warnings about 'performance' regarding casting int to bool.
It also disables the integer truncation warning. This isn't something
we can detect in code - and much of our code is full of integer truncations
anyway.

Change-Id: Idf47262a7cab160d9edf3c9e40c47ab47d6bad80
Reviewed-on: http://review.couchbase.org/69927
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

avsej/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,avsej/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,mody/libcouchbase,avsej/libcouchbase