make C++ compiler and pandoc entirely optional

Release 3.0

update CHANGELOG, COPYING, and README v3.0

Release Version 3.0

add release date for UCX 3.0

Added tag v3.0 for changeset b4bd0155f03f

improve the CSV example

some fixes in example code

merge upstream changes

fix typo in mempool.h

change cxMempoolDestroy doc

more doc fixes

(0) -300 -100 -12 +12 +100 +300 tip

mercurial