added .gitignore
changed default value for default_transaction_read_only to true in order to reject write transactions
Revert "changed default value for default_transaction_read_only to true in order to reject write transactions"

This reverts commit ec5d9f48912c566ab74e69083dc3c097058a1fcc.
With the previous commit, the regression tests would fail
added the usual tests
Merge branch 'master' into crappymvcc
master tests override basicTimer.pl
Merge branch 'crappymvcc' of github.com:bogiebro/read-only-postgres into crappymvcc

Conflicts:
	basicTimer.pl