MDL-20597 Migrating qtype_question helps file to there own directory: randomsamatch

lang/en_utf8/help/qtype_randomsamatch/randomsamatch.html

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+<h1>Random Short-Answer Matching questions</h1>
+
+<p>After an optional introduction, the respondent is presented with
+   several sub-questions and several jumbled answers.  There is one
+   correct answer for each question.</p>
+
+<p>The respondent must select an answer to match each sub-question.</p>
+
+<p>Each sub-question is equally weighted to contribute towards the
+   grade for the total question.</p>
+
+<p>The questions and answers are randomly drawn from the pool of
+   "Short Answer" questions in the current category.  Each attempt
+   on a quiz may therefore have different questions and answers.
+   You must make sure that the category contains enough unused
+   short-answer questions, otherwise the student will be shown
+   a friendly error message. The more short-answer questions you
+   provide the more likely it is that students will see a new
+   selection on each attempt.</p>