Refactoring + small fixes

src/Makefile.am

src/common/descriptor_new.c

src/common/descriptor_new.h

src/zscanner/file_loader.h

src/zscanner/scanner.h

src/zscanner/scanner.rl

src/zscanner/scanner_body.rl

src/zscanner/scanner_functions.c

src/zscanner/scanner_functions.h

src/zscanner/test/processing.c