Working on overhaul of intro for reply ms.
More work on overhaul of intro to reply ms.
More work on intro for reply ms.
Merge branch 'master' into intro

Merging response to reviews for reply ms into 'intro' branch.
Finishing draft of reply ms overhaul.
More minor tweaks to intro of reply ms.
More editing of reply ms.

Changing discussions of "estimation error" to "numerical
approximation error" as per Vladimir's comments. Adding Vlad
to the acknowledgments as well.
More work on intro of reply ms.
More tweaking of intro for reply ms.
More editing of reply ms.
More editing of reply ms.
Starting to re-work abstract of reply ms.
Working on abstract of reply ms.
More editing of abstract and text of reply ms.
More editing of reply ms.
More tweaking of reply ms.
Merge branch 'intro'

Merging overhaul of the reply manuscript from the 'intro' branch.
Initially this branch was created to overhaul the intro of this
manuscript, but editing overflowed to many other sections as well,
including a full re-write of the abstract.