Added fieldreferences to grab nested items inside messages.
Merge branch 'master' of https://github.com/coolacid/GettingStartedWithELK
Normalized indentations from 0 or 2 spaces to 4 spaces.

Also bye to trailing newlines.
Fixed indentations to 4 spaces
Merge pull request #7 from shurane/indentation_four_spaces

Normalized indentation to 4 spaces.