[fr] Follow #732

Added enviromental variable tip for debug and deployment
Fixed indentation

Changed the indentation so it's similar to the 'add view' example and other examples.
Fixed indentation
Merge pull request #774 from lucasribic/master

Fixed indentation
[fr] Follow #774

Fixed indentation
Update controllers.rst
Merge pull request #775 from deoradharmendra/patch-1

Update controllers.rst
Merge pull request #772 from KareemSaleh/fix-grammer

Changed Some words for small grammar fix.
[fr] Follow #772

Changed Some words for small grammar fix.
[fr] Follow #775

Update controllers.rst
inList(), multiple()() and case sensitivity
Removed unnecessary/wrong word
Merge pull request #776 from lucasribic/patch-1

Removed unnecessary/wrong word
Minor correction of capitalization
Merge pull request #777 from lucasribic/master

Minor correction of capitalization
Convention wise, it should be book_id

Very minor, just some consistency issue
Merge pull request #778 from chaoszcat/patch-2

Convention wise, it should be book_id
Updated JavaScript casing
Merge pull request #779 from bcrowe/hotfix-camelcasejs

Updated JavaScript casing
[fr] Follow #778

Convention wise, it should be book_id