Adds logging for filterd ECs
add ezpaarse-filter-redirects header option

ezPAARSE-Filter-Redirects header true/false, default true
When false, input lines with 301,302 HTTP status codes are not filtered
*English* doc for ezpaarse-filter-redirects param
Merge pull request #8 from UMNLibraries/ecfilter-enhancements

ECfilter enhancement, option to process HTTP 301,302 lines in logfiles