add realpath to UnixFiles
add realpath() to UnixFiles
Merged from realpath
Added tag G59.1 for changeset 0bbb8c417024
Added tag G59.2 for changeset 0bbb8c417024
add realpath to MacOSXFiles
Added tag G59.3 for changeset 0bbb8c417024
Added tag G60 for changeset a8da450c74c2
fix colorizer so that it does not generate an UHE when start is less than 0 (a parse error)

To reproduce just backspace away all of the method text in a new method editor.
Fix lseek on Mac OS X.  off_t is 64-bits.  Requires NsFFI-eliot.35.mcz or later.
Added tag G61 for changeset 197f2daa7d17
Added tag G62 for changeset f64edf2a00b5
add API to the activation mirrors so that it is possible to obtain variable names/values by index
Added tag G63 for changeset f64edf2a00b5
Added tag G63.1 for changeset d778132b3945
Added tag d778132b394546eaf1c2d07e7307c35e56ea68cf, G64 for changeset 7f8bb36f7f16
Added tag G64.1 for changeset 7f8bb36f7f16
Added tag G64.2 for changeset 7f8bb36f7f16
Added tag G64.3 for changeset 7f8bb36f7f16
Removed tag d778132b394546eaf1c2d07e7307c35e56ea68cf