Merge pull request #11 from mfairchild365/master

Fix spider.absolutePath() to correcty trim the query string
Fetch robots.txt with same scheme as url being examined
Merge pull request #15 from ericras/robots

Fetch robots.txt with same scheme as url being examined
Add a Travis-CI config file, #13
Correct class name for case-sensitive filesystems
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/Spider/Filter/RobotsTxt.php
	tests/spider.getCrawlableUris.phpt
	tests/spider.spider.phpt
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/Spider/Filter/RobotsTxt.php
	tests/spider.getCrawlableUris.phpt
	tests/spider.spider.phpt