Created test for PDO::ATTR_ERRMODE
Updated .travis.yml to output log
fixed test case for php 5.3
updated extension file - RINIT/RSHUTDOWN not needed
Revert "updated extension file - RINIT/RSHUTDOWN not needed"

This reverts commit b1aea3c6ae1d5c3390eb3527aa78a99bf457533f.
Updating test case with code review suggestions
Merge branch 'vduda/work2' of github.com:nuodb/nuodb-php-pdo into vduda/work2
Cleaned comments.