Remove rusty workaround for ancient MacOSX'es.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1529 b0c55286-4f34-0410-a049-a1e7e93b0762
Make application bundle for MacOSX.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1530 b0c55286-4f34-0410-a049-a1e7e93b0762
Implement erfi.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1531 b0c55286-4f34-0410-a049-a1e7e93b0762
Use build_helper to perform the same action.
Make compilation set proper exit code on failures.
Add configure flag to enable debug build.
Add debug parameter to build_helper script.
Propagate debug settings from configure.
Don't fail in noweb has been already unpacked.
Make this step resumable, if interpsys fails.
Merge branch 'sbcl-pretty-backtrace' of github.com:cahirwpz/fricas into sbcl-pretty-backtrace

Conflicts:
	contrib/macos/FriCAS.c
	contrib/macos/README
	contrib/macos/appIcon.icns
	contrib/macos/mk_app