add safe ClassLoader concept
Ensure classloader is safeClassLoader for routines
suspended tests
Added proxy for embedded JDBC driver
fix deregistration of the ProxyDriver
Separate safe-class loader from script manager class loader
suppress test + minor clean-up
merge master
add jdbc proxy branch
update class loader structure for external script engines
merge master
update pom, normal dependency for JDBCProxy
merge SytzeH: Add context ClassLoader maintenance for stored procedures

Merge pull request #1543 from SytzeH/sql-layer/cl3
https://github.com/FoundationDB/sql-layer/pull/1543