This is a bugfix release.
Bug fixes:
- Skip negative indices in SoIndexedPointSet vertex arrays.
- Fix cc_string inline buffer size calculation in string.h
- Remove outdated build files.
- Use clock_gettime when its available instead of deprecated ftime.
- Create alias target Coin::Coin when building as a sub-directory.
- Only search for CgGL/libCgGL in system default dir.