Czech translation updated by Vladislav Šenk

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@822093 b8457f37-d9ea-0310-8a92-e5e31aec5664
Introduce ->is_true()

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@823725 b8457f37-d9ea-0310-8a92-e5e31aec5664
For Flamingo: Don't include demo submissions.

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@824730 b8457f37-d9ea-0310-8a92-e5e31aec5664
Turkish translation updated by Burak Yavuz.

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@825614 b8457f37-d9ea-0310-8a92-e5e31aec5664
Ignore contact-form-7.mo

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@828121 b8457f37-d9ea-0310-8a92-e5e31aec5664
Lithuanian translation updated by Mantas Malcius.

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@829043 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge remote-tracking branch 'upstream/master'