Removed RINIT/RSHUTDOWN
Merge branch 'vduda/work2' of github.com:nuodb/nuodb-php-pdo into vduda/work2
Cleaned comments.
Deleted DB-6743/attr_errmode test
reverted travis.yml to original form
reverted commit of vduda/work3 to this branch
Merge branch 'vduda/work2' into nuodbdev

* vduda/work2:
  reverted commit of vduda/work3 to this branch
  reverted travis.yml to original form
  Deleted DB-6743/attr_errmode test
  Cleaned comments.
  Removed RINIT/RSHUTDOWN

Conflicts:
	tests/attr_errmode.phpt