[BUGFIX] Change check on Asset "path" to cover 4.5 misbehavior

Instead of using isset() which always returns TRUE for the ArrayAccess used in 4.5's Fluid, the check needs to be extended.

Replaces: #150
[BUGFIX] Name generation for assets buggy on 4.5

This fixes some issues with incomplete (always-TRUE) checks on 4.5 and uses serialize() to avoid collisions on ArrayAccess sameness which would often occur on 4.5.

Replaces: #149
Merge pull request #158 from NamelessCoder/pathcheck

[BUGFIX] Change check on Asset "path" to cover 4.5 misbehavior
Merge pull request #159 from NamelessCoder/assetnames

[BUGFIX] Name generation for assets buggy on 4.5
[BUGFIX] Method Tx_Vhs_ViewHelpers_Asset_AbstractAssetViewHelper::getContent returns an empty value when using VH tag content

Fixes an issue where asset content would be returned empty on 4.5 when tag content is used instead of content attribute due to isset() always returning TRUE

Fixed by using an extended check.
Merge pull request #160 from ilomedia/patch-4

[BUGFIX] Method Tx_Vhs_ViewHelpers_Asset_AbstractAssetViewHelper::getCon...
[BUGFIX] Use oldschool class name to please 4.5
Merge pull request #164 from bjo3rnf/classname

[BUGFIX] Use oldschool class name to please 4.5
[TASK] Use rawurlencode()/rawurldecode() to unify usage
Merge pull request #165 from bjo3rnf/urldecode

[TASK] Use rawurlencode()/rawurldecode() to unify usage
[BUGFIX] Avoid unnecessary 4.6+ only method usage

This commit replaces all occurrences of $this->hasArgument() with isset/empty conditions and adds some fixes to adhere coding guidelines
[TASK] Adhere coding guidelines
Merge pull request #166 from bjo3rnf/formselect

[BUGFIX] Avoid unnecessary 4.6+ only method usage
[TASK] Refactor client related condition ViewHelpers
[TASK] Refactor context related condition ViewHelpers
[TASK] Refactor condition ViewHelpers
[TASK] Refactor form related condition ViewHelpers
[TASK] Refactor iterator related condition ViewHelpers
[TASK] Refactor var related condition ViewHelpers
[TASK] Refactor Form / Required ViewHelper to new If scope