Fix title markup.

Refs #949
Merge pull request #948 from cjbars/patch-1

Update components.rst
Fix markup issues.

Refs #948
Remove trailing spaces.
Merge branch 'trailing-spaces'

Merge pull request #842 into master.

Closes #842
Merge pull request #758 from drdouglasghd/master

Add a note about requirements for SQL Server connection.
Fix formatting and update copy.

Update the copy to that suggested by @ravage84. Move the docs above the
meta directive as well.

Refs #758
[fr] Follow #939

Added Links
[fr] Follow #946

2.4 link fixes
[fr] Follow c9574a3cae805ed1a35e60bc3388623673c7ebec

Use exec() instead of ``.
[fr] Follow #758

Add a note about requirements for SQL Server connection.
[fr] Follow #842

Trailing spaces
Simple updates to Controller docs
Merge pull request #968 from bcrowe/hotfix-controllers

Simple updates to Controller docs
[ja] Follow #842
[ja] Follow c7581c4aad, 489de35fe4
Merge pull request #983 from okonomi/feature/follow-tutorials-and-examples-blog

[ja] Follow c7581c4aad, 489de35fe4
[ja] Follow  00a3c59b05, caee96a1e4, 06b60620dd
[ja] Follow #928
Add missing required field.

Fixes #985