HOPSWORKS-94 (#103)
HOPSWORKS-94 (#103)

* dela v1

added new hopsworks/dela attributes
insert dela variables rows
adding dela table changes
sign req to hops-site
default hops-site changed
fix isEmpty not found
fix missing .erb on csr-ca.py
fixes cert signing
install python-openssl
fix missing end
remove unused var
added max retries
added retries to config, and use hopsworks email instead of hopssite user
create variables table inserts for dela_enabled and hops_site_host
tag
added global to csr-ca.py.erb
added manual register flag for cert signing and dela enabled for dela
fix certs for hopssite

* update heartbeat

* notation fix

* dela disabled by default

* hopssite scripts

* notation fix

* fix

* fix

hopshadoop/hopsworks-chef,hopshadoop/hopsworks-chef,hopshadoop/hopsworks-chef,hopshadoop/hopsworks-chef