message: ENH: auto-generate AXOM_VERSION_FULL
  Auto-generate AXOM_VERSION_FULL from major/minor/patch components.
diff: set(AXOM_VERSION_MAJOR 0)
  set(AXOM_VERSION_MINOR 2)
  set(AXOM_VERSION_PATCH 3)
  -set(AXOM_VERSION_FULL "v0.2.3")
  +set(AXOM_VERSION_FULL "v${AXOM_VERSION_MAJOR}.")
  +string(APPEND AXOM_VERSION_FULL "${AXOM_VERSION_MINOR}.")
  +string(APPEND AXOM_VERSION_FULL "${AXOM_VERSION_PATCH}" )
  ##------------------------------------------------------------------------------
  ## extract_version_components( <tag>, <prefix> )
  @@ -24,7 +26,6 @@ set(AXOM_VERSION_FULL "v0.2.3")
  ## <prefix>_VERSION_MAJOR
  ## <prefix>_VERSION_MINOR
  ## <prefix>_VERSION_PATCH
  -## <prefix>_VERSION_EXTRA
  ## <prefix>_VERSION_FULL
  ##
  ## Note: This function assumes tags of the form "vMAJOR.MINOR.PATCH"
  