Added version control system question
Fixed french translation
Added some CSS questions

Added questions re: CSS frameworks and the new CSS Flexbox and Grid specs.
I was asked these questions recently and think they're pretty good.
Updated framework question

Added clarity re: what frameworks we're referring to
Added Box-sizing question

Followed up a question about box-models with a question about Box-Sizing: Border-box;
Update README_TR.md

* Translated all questions
* Added missing questions
* Fixed some translation
* Added 'Other Great References' Section
Merge pull request #126 from erwanjegouzo/master

Added version control system question
Merge pull request #127 from achalv/master

Added some CSS questions
Merge pull request #129 from jdichev/master

Improved Bulgarian translation of 'a modulo function'
Merge pull request #131 from Sly777/patch-1

Update README_TR.md
add new question from origin readme.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
convert 4 space to 2 space.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Merge pull request #132 from appleboy/patch

add new question from origin readme.
Merge pull request #1 from darcyclarke/master

Rebase