Add a note about requirements for SQL Server connection.
Add error to the Datasource Doc for Sqlserver
Update Datasource Doc with more detailed error information
Update components.rst

translate some line
Create helpers.rst

start of translation
Merge pull request #949 from cjbars/patch-2

Create helpers.rst
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