Remove duplicate 'Conversion error:' message
Merge pull request #3088 from alfredxing/fix-error-output
Update history to reflect merge of #3088 [ci skip]
Remove duplicate regexp phrase: ^\A.

Addresses @mastahyeti's comment in #3077: https://github.com/jekyll/jekyll/pull/3077#discussion_r20077150
Print error message in renderer
Merge pull request #3090 from alfredxing/fix-error-output
Update history to reflect merge of #3090 [ci skip]
Change variables of Google Analytics script

`i` `s` `o` `g` `r` `a` `m` -> `j` `e` `k` `y` `l` `L`

Generated by isogram
https://github.com/shinnn/isogram
Merge pull request #3093 from shinnn/ga
Update history to reflect merge of #3093 [ci skip]
Merge pull request #3089 from jekyll/remove-duplication-in-regexp
Update history to reflect merge of #3089 [ci skip]
Mentioned CSV extension in docs for data files

Since CSV files are supported as collections.
Added CSV example for data-file docs
Merge pull request #3101 from ndarville/patch-1
Update history to reflect merge of #3101 [ci skip]