Added dragAndDrop method
Fixed checks for if an element isn't found on the page
Added waitForText method
Added unselectOption method

Performs the same function as the removeSelection Selenium IDE function
Merge pull request #522 from tiger-seo/master

code cleanup and code style (PSR-2) fixes
Merge pull request #525 from allmyitjason/patch-6

Added unselectOption method
Merge pull request #520 from allmyitjason/patch-2

Added dragAndDrop method
Merge pull request #521 from allmyitjason/patch-3

Added waitForText method
Merge branch 'master' of https://github.com/Codeception/Codeception