Log Message:
Update contao34 to 3.4.5, a leaf package.

Version 3.4.5 (2015-03-27)
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### Fixed
Consider the `$blnCache` flag when caching insert tags (see #7700).

### Updated
Updated TinyMCE to version 4.1.9 (see #7690).

### Fixed
Correctly calculate the max upload size in the DropZone uploader (see #7633).

### Fixed
Convert language codes to locales in the meta wizard (see #7667).

### Fixed
Replace only the `{{file}}` insert tag in the back end preview (see #7647).

### Fixed
Correctly convert date strings depending on their rgxp format (see #7721).

### Fixed
Update news and calendar feeds from the content view (see #7679).

### Fixed
Do not generally encode stand-alone ampersands (see #7684).

### Fixed
Restore some globals when catching the unused argument exception (see #7659).

### Fixed
Correctly set the CSS classes in the jQuery accordion and do not try to mess
with its ARIA handling (see #7622).

### Fixed
Handle language fragments without trailing slash when redirecting (see #7666).

### Fixed
Trigger the `load_callback` upon saving in "override all" mode (see #7670).

### Fixed
Ensure a unique language file array in the `Automator` class (see #7687).