Set TextView width to match_parent to fix horizontal alignment

It fix horizontal center alignment in my case.
Update README.md
Merge pull request #18 from ebuildy/patch-1

Set TextView width to match_parent to fix horizontal alignment
Merge pull request #16 from theDazzler/image_thumbnails

Added rounded and square image thumbnails
Readme and image updates
readme updates
Merge pull request #19 from daniellevass/master

readme and image updates
BootstrapButton fill_parent and match_parent sizes
Merge pull request #20 from daniellevass/master

BootstrapButton fill_parent and match_parent sizes