[nongnu] elpa/helm updated (c99ef31aad -> 2a94098102)

[ELPA Syncer]

elpasync pushed a change to branch elpa/helm.

      from  c99ef31aad Add docstring to helm-buffers--quote-truncated-buffer
       new  5b24aad73f Add missing helm-only in helm-grep
       new  2a94098102 Allow excluding commands not usable commands in helm-M-x


Summary of changes:
 helm-command.el | 24 +++++++++++++++++++++++-
 helm-grep.el    |  3 +++
 2 files changed, 26 insertions(+), 1 deletion(-)