[HBase] Refactor hbase.utils

This change implements a refactor for hbase.utils. Preparing of filters
is shifted from make_events_query_from_filter to make_query
method.
Implicit using of comparison operators in filters has become explicit.

Change-Id: Ib6ab7838c718c30a84dd5e59dcc986515dc54731
Merge "[HBase] Refactor hbase.utils"