Ck edits

[ckoerber]

Thank you for the edits Jim! I have incorporated them in the main version.

Adjustments:

• slight updates to v2/main.tex
  • Added line breaks after dots (so there are actually less changes than this PR suggests)
  • There was a red-colored paragraph below the first one which had slight overlap with the first one. I have tried to merge both and reduce this overlap. Was this the intended edit (or should I just have deleted the red paragraph?)
• copied the v2/main.tex and .bib to the main folder (committed both for references)

Unfortunately, I still find missing references not present in the main.bib file.

  Citation `bertsimas2014statistics' on page 1 undefined on input line 100
  Citation `linderoth2009improving' on page 1 undefined on input line 101
  Citation `ostrowski2011solving' on page 1 undefined on input line 101