CORE-1255 Change Set with numeric values like 0.001 has different checksum with Java 6 and 7

New regexp was not working on java 7
CORE-1951 Regression on 3.2.0 : --diffTypes=data generates Unknown Reason Exception
Cannot set min fetchsize less than 0 on postgres
CORE-1947 Liquibase dependency to jetty-servlet/velocity should be <optional>true</optional>
CORE-1938 defaultValueNumeric="0" or defaultValue="0" is translated to 0.0
CORE-1934 file path in databasechangelog is absoulte since liquibase 3.2.0 when using includeAll inside a jar