Create screenshot when CasperJS test failed

and extract error from Laravel
Fix this file to use Unix line endings.
Merge pull request #53 from SompongSoftwareEnterprise/laravel-errors-in-casper

@erthh is with me but his computer's network isn't working... Create screenshot when CasperJS test failed and extract error from Laravel.
Merge pull request #54 from SompongSoftwareEnterprise/fix-line-endings

@erthh is with me but his computer's network isn't working... // Fix this file to use Unix line endings.
Merge remote-tracking branch 'origin/master' into login-system