[MONDRIAN-1925] quick fix for NameExpression in Snowflake Hierarchies.
Still need to add unit tests.
Merge pull request #3 from wgorman/evergreen

[MONDRIAN-1925] quick fix for NameExpression in Snowflake Hierarchies.
Replace copy rights change year 2014
Merge branch 'evergreen' of https://github.com/tgf/mondrian into evergreen