Update Classes/ViewHelpers/AssetViewHelper.php

forceClosingTag causes an HTML validation error.
[TASK] Identify Abstract Media ViewHelpers as abstract
[TASK] Identify Abstract Image ViewHelper as abstract
[BUGFIX] Fluid Assets overwrites written merged assets

Fixed by appending rendered fluid asset

Fixes: #34
Merge pull request #69 from beda/fluidasset

[BUGFIX] Fluid Assets overwrites written merged assets
[FEATURE] Configurable "use hashed name" for merged Assets file
[TASK] Clean up targeting of uncached Asset placeholders
[FEATURE] Attribute "divider" on all Menu ViewHelpers

The new attribute can be used to define a string which will be inserted in-between all menu items when using automatic menu rendering.

Fixes: #42
Merge pull request #67 from ste101/patch-1

[BUGFIX] AssetViewHelper: forceClosingTag causes an HTML validation error
[BUGFIX] Fixes overwriting of page title as reported in #62
Merge pull request #71 from dreipunktnull/linktext

[BUGFIX] Fixes overwriting of page title as reported in #62