Fixed typos in example descriptions
Merge pull request #2615 from sorig/develop

Fixed typos in example descriptions
update the KL notebook
Merge pull request #2613 from yorkerlin/develop

update the KL notebook
Fixed compilation error under Mac OS X
Adjusted condition when TYPE_BOOL is restored
[skip ci]
Fixed macosx ifdef in ProtobufFile
Merge pull request #2621 from lisitsyn/fix/protobuf-macosx

Fixed macosx ifdef in ProtobufFile
Cleaning Up CFile