Cut and Paste error in ALL_OBJS_DYN_OSX name

Since ALL_OBJS_DYN_OSX was NOT defined the dynamic library
libyocto.dylib was empty and not usable.
Merge pull request #2 from LudovicRousseau/fix_makefile

Cut and Paste error in ALL_OBJS_DYN_OSX name
Fix simple typo

Use "°C" instead of (bogus) "∞C"
Merge pull request #5 from LudovicRousseau/typo

Fix simple typo
Fix typo in comment
Merge pull request #7 from LudovicRousseau/typo

Fix typo in comment
"New build based on revison 12553"