#79 -  Provide query logs as part of explain operation

Modified the servlet to register a `TurboFilter` to collect query related logs and
make that part of returned json data
#79 -  Provide query logs as part of explain operation

Change the variable name from `reg`  to `logCollectorRegistration`
#79 -  Provide query logs as part of explain operation

Limit the maximum number of log entries that can be stored in memory and make it configurable
#79 -  Provide query logs as part of explain operation

Change the log pattern to

* exclude timestamp
* abbreviate the logger category name
#79 -  Provide query logs as part of explain operation

Provide an indication that more logs are present
Merge pull request #80 from chetanmeh/acs-aem-tools-79

#79 -  Provide query logs as part of explain operation