Create test.txt

test travis
Merge branch 'master' of https://github.com/nareshv/hhvm
Merge remote-tracking branch 'upstream/master'
Delete test.txt
configure script & fedora/ubuntu
Merge branch 'master' into generic_configure_script
Fix cmake FindLibMagickWand to find MagickCore

Use cmake FindImageMagick component MagickCore as MagickCore is a part
of ImageMagick package.
Merge pull request #2054 from javer/cmake-magickcore

Fix cmake FindLibMagickWand to find MagickCore
Update .travis.yml
Merge pull request #2014 from nareshv/generic_configure_script

Generic configure script for ubuntu/fedora