Bumps version for 1.5.0 release.

Merge pull request #34 from chrisbliss18/curl-follow-redirects

Added -L to curl request so that redirects are followed.

Merge pull request #30 from GaryJones/patch-1

Fix path to raw XML file

Merge pull request #21 from bhubbard/master

Adds quick install script via wp-cli.

Merge pull request #20 from cftp/master

Adds composer file.

Merge branch 'master' of github.com:manovotny/wptest

Merge pull request #4 from bradp/master

Fixed typo

Adds sticky post.

Fixes #2

Updates README description.