(e.g.: pretty -d pretty.go will print the Makefile dep. rules of the involved Go files that are not part of the installed library) - minor fix in pretty printer (tested against ken's test files) R=r OCL=17872 CL=17872
- removed tests that may have wrong Go code from Makefile R=r OCL=15532 CL=15532
- code scavenged from Go-in-Go front-end (will merge back) - using "symbol-table" free parsing to build AST - no printing yet R=r OCL=15504 CL=15504
