Fixes a NOTICE that was preventing fetcher restarts, continuing to add more documentation, a=chris

Author Chris Pollett <chris@pollett.org>
Author date 2017-01-13 01:Jan:th
Author local date 2017-01-12 17:Jan:th -0800
Committer Chris Pollett <chris@pollett.org>
Committer date 2017-01-13 01:Jan:th
Committer local date 2017-01-12 17:Jan:th -0800
Commit b0ac532ec15a9dbad5dba673bc8f01f2338f197b
Tree f6e378b3180e4e4220623ba47867487cab0ec798
Parent 895b5ed52bc123b79adfce53e36d12353926d710
Fixes a NOTICE that was preventing fetcher restarts, continuing to add more documentation, a=chris
Affected files:
src/controllers/Controller.php
src/controllers/MachineController.php
src/library/PhraseParser.php
src/library/summarizers/CentroidWeightedSummarizer.php
src/library/summarizers/GraphBasedSummarizer.php
src/library/summarizers/Summarizer.php
src/locale/hi/resources/Tokenizer.php
src/locale/nl/resources/Tokenizer.php
src/models/AdvertisementModel.php
src/models/ImpressionModel.php
src/views/elements/WikiElement.php
src/views/helpers/HelpbuttonHelper.php
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