Fix order of Articles and Presentations

- Create fixOrder function that reorder the array of documents of that
page and return the array in the proper order.

- Change the index template of articles and presentations to call the
fixOrder function
Merge pull request #91 from luanmuniz/fix-articles-order

Fix order of Articles and Presentations
Add explanation about #91
Fix CSS conflict between columns
Merge pull request #92 from luanmuniz/fix-after-conflit

Fix CSS conflict between columns
Add optimized images
Merge pull request #93 from luanmuniz/optimize-images

Add optimized images
Use iframe for g+ button
Merge pull request #94 from luanmuniz/fix-travis-build

Use iframe for g+ button
Fix code style inconsistencies (grunt lintspace)
Decrease PageSpeed threshold for mobile
Fix the user github of Rob dodson in the readme
Merge pull request #95 from mateusortiz/site

Fix the user github of Rob dodson in the readme
Update specs links to Editor's Draft - Fixes #96
Update title to lowercase per feedback from Alex K.
Tidy up the wording around Polymer
Add text selection color
chore: add a couple of accessibility improvements
- form role="form"
- label in the suggestions form
- :focus state on links with a recognizable outline
Merge pull request #97 from cironunes/acessbility-improvements

chore: add a couple of accessibility improvements
Move authors to a separated file