14588: BUG: Fix undefined variable usage in changes viewer (by Igor Murzov)

SVN revision: 3397
BUG 14589: Fix a PostgreSQL incompatibility. (by Igor Murzov)

SVN revision: 3398
ENH: 14560: BUG: Overhaul configure warning extraction algorithm (by Igor Murzov)

SVN revision: 3399
BUG: The third build (depending on the order of the test) might not have notes, therefore causing issues. Moved to 2nd build

SVN revision: 3400