[es] Update chapter 1: translation of a new paragraph

Translation of a paragraph added in bc3f922f about Windows Git usage
[es] Update chapter 1: line change from english version

From bfead6c2 "added another ubuntu dep"
[es] Update chapter 1: change from english version

From 33e9d89 "Reference whole chapter instead of a single section. "
[es] Update chapter 1: added paragraph from english version

From 0cec524 "1.1 (en): Clarify the wording in the first paragraphs to be less awkward "
[es] Update chapter 1: change from english version

From b294744 "Minor updates (Windows & typo) "
[es] Update Chapter 1: word mistake
Merge pull request #758 from mesjetiu/es_chapter_01

[es] chapter 01: Updates from English Version
Merge branch 'progit/master'