use EntityIdReader instead of AccessRecordUtil
remove duplicate write methods
Revert "use EntityIdReader instead of AccessRecordUtil"

This reverts commit afcd8d8c67f690144aa59ca11b18edef1d636d0c.
remove unused methods
attempt to add getMetrics to Writer classes
Revert "attempt to add getMetrics to Writer classes"

This reverts commit 7a53f9b77a32751d53ff43aacd1ac5c440bea6ae.
Revert 7a53f9b..505b870

This rolls back to commit 7a53f9b77a32751d53ff43aacd1ac5c440bea6ae.
Revert f02a7dd..e0a7267

This rolls back to commit f02a7dda72d1fcc16c595de185cde091fdb39e36.
add write method to metric
take out metric writers in repoUpdateService
resolve warnings
remove additionalFilters
fix test
simplify the 4 for loops in updateRecord()
ignore some metrics
use Iterator and Iterable
merging MetricCollection into RepoUpdateService
simplify the repoUpdateService
upgrade the version
Merge pull request #92 from kimyen/develop

simplify the code in updateRecord()