Update CONTRIBUTING.md
Update CONTRIBUTING.md
Update CONTRIBUTING.md
Update CONTRIBUTING.md
replace mkdir with wp_mkdir_p
adds server info tab to help screen
if the recurrence type is invalid just force it to manually
Merge pull request #303 from humanmade/invalid-reoccurence-fix-303

Catch 'invalid reoccurence' error and reset schedule type
Merge pull request #381 from humanmade/use-wp-mkdir-p-381

Use `wp_mkdir_p` instead of `mkdir`
Merge pull request #377 from humanmade/server-info-help-tab-377

Show server info in a help tab
Merge branch 'master' into feature/schedule-recurrence-settings

Conflicts:
	backupwordpress.php