Existing secret support for helm chart (cesanta#267)

* Enable use of existsing secret for server key/cert

* type fix

* Bump chart version

* defaults for crt/key, conditional changed, Readme fixed

Merge pull request cesanta#228 from mrueg/ldap

MAP LDAP account attributes to labels such as groups

Add a non-tls example config (cesanta#209)

Add missing vendor entries, update bindata

Use cesanta/glog instead of golang/glog

For --logbufsecs

Update bindata

Update bindata; add -nocompress to avoid diffs (cesanta#148)

Merge pull request cesanta#110 from cesanta/version

Version-tag builds