Fix comment for phpcs

The latest stable version of phpcs (1.5.3) doesn’t find any error, but
the latest alpha (2.0.0a2) does. This change has been automatically
made by PHPCBF.
Merge pull request #100 from DavidPrevot/phpcs

Fix comment for phpcs
keep time & timezone information for recurring events, fix for #101
Merge pull request #102 from armin-hackmann/master

keep time & timezone information for recurring events, fix for #101
Updated changelog, bumped version.
Merge branch 'master' into itip