Remove use of "eval" from alias tests
Added unconverted tests
Removed java tests
Improved tests
Refactored tests
Added not yet converted NodeTests
Converted and removed many tests, some BigDecimals tests remain
Converted test java -> Rascal
Converted dozens of tests java -> rascal
Merge branch 'master' of https://github.com/cwi-swat/rascal.git