List presentations in reverse chronological order #26
+38
−39
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When selecting an Echo, it's likely that you'll be selecting a recent Echo (often the most recent one); displaying the most recent presentation first reduces the amount of scrolling required to find it, especially in sections containing many presentations.
The second commit makes this function more readable by making the indentation consistent (and conform to Moodle coding style); the rest of locallib.php could do with similar treatment, but I've only fixed the indentation in the function I was already working on for now (similar to PR #25).