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
Added security by-pass for system routines
restore tests
Merge branch 'master' into cl4
add jdbc proxy to other packages
update class loader structure for extrenal script engines
merge master
minor clean-up
unsuppress test
unsuppress test
rename JDBCProxy package name
merge SytzeH: Add context ClassLoader maintenance for stored procedures Part 1+ 2

Merge pull request #1578 from SytzeH/sql-layer/cl4
https://github.com/FoundationDB/sql-layer/pull/1578