SCI-1729: Jexl test for preserving order of variable names from expression
SCI-1729: Jexl fix for preserving order of variable names from expression
SCI-1730: Jexl test for dotted variable names in expression
SCI-1730: Jexl fix for dotted variable names in expression
SCI-1731: Jexl test for dotted variable names in expression using keywords
Export internal packages, but mark them as internal

This is needed to that JUnit tests can run outside this bundle when
servicemanager isn't available or appropriate.