Merge pull request #51 from CICE-Consortium/eclare108213-patch-1

update PR template

.github/PULL_REQUEST_TEMPLATE

@@ -1,7 +1,9 @@
 [Remove this and add a short summary line]:
 Developer(s):
-Updated documentation (Y/N):
-Results (bit for bit, roundoff, climate changing):
-Code review: 
+Are the code changes bit for bit, different at roundoff level, or more substantial?
+Is the documentation being updated with this PR? (Y/N)
+If not, does the documentation need to be updated separately? (Y/N)
+"Documentation" includes information on the wiki and .rst files in doc/source/, 
+which are used to create the online technical docs at https://cice-consortium.github.io/CICE/ 
+Please suggest code reviewers in the column at right. 
 Other Relevant Details:
-