Bugfix: mkdir(): No such file or directory

Warning: mkdir(): No such file or directory in
app/code/community/Technooze/Timage/Helper/Data.php on line 305

Technooze_Timage_Helper_Data->cacheDir() create cacheDir first an then
cropCache
Merge pull request #3 from hadl/master

Bugfix: mkdir(): No such file or directory