GEOMESA-120 Extract Temporal Filters

* We now extract the temporal range to cover from the applicable temporal filters.
* Since FilterToAccumulo is no longer used, it has been deleted.
  (This required tweaking one unit test.  Additional clean-up was involved.)
* Added 'pendingUntilFixed' unit tests to the QueryStrategyDeciderTest to reflect further work.
GEOMESA 320, use apache commons csv

* replaced usage of javacsv with 1.0 release of apache commons csv in geomesa-tools
* updated test to ensure wkt still works with commons csv
* updated pom
Merge branch 'accumulo1.5.x/1.x' into f_ktcorby_rank
GEOMESA-330 Avro SimpleFeature's getProperty should return a Property even when the value is null

This addresses an issue found by a user who was attempting to run the Quick Start tutorial.
GEOMESA-328 Fix IndexIterator exception
 * The fix is from @anthony-ccri.
 * The tests show the exceptions which we observed on tablet servers.
Merge branch 'accumulo1.5.x/1.x' into f_ktcorby_rank
Improved empty checking in ResultBean
Updated copyright date to 2014 for new route rank files

Still not sure what the 'right' thing to do is with these copyright banners.