updated load-rosters.js so that each player's document contains the stats and appearances for just that season.

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# FOUND        1 LINES WITH console.log calls!!!!
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# ARE YOU SURE YOU WANT TO COMMIT THESE LINES?!?!?!
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# post-1-the-data/scripts/load-rosters.js:      console.log('[loadRosters] Rosters loaded' );
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Merge branch 'master' of https://github.com/rippinrobr/mean-blog-series
added the load-playoff-records.js call to the load-seasons.sh script