version bump and changelog
Merge branch 'master' of https://github.com/raamdev/Twitter-Mentions-as-Comments into v1.5.5

Conflicts:
	twitter-mentions-as-comments.php
Merge pull request #30 from raamdev/master

Add support for Twitter API v1.1 and new GUI options for API, props @raamdev
Merge pull request #31 from benbalter/v1.5.5

Bump readme and plugin header / config to v1.5.5
s/$mentions->results/$mentions->statuses/g

Fixes compatibility with new return format of Twitter API v1.1

Props @raamdev and @s3u for diagnosing
Merge branch 'master' of https://github.com/raamdev/Twitter-Mentions-as-Comments into raamdev-master

Conflicts:
	twitter-mentions-as-comments.php
dat version bump, props @raamdev