[BUGFIX] Page / Content / Get ViewHelper output empty on 4.5 when not forcing pageUid
[BUGFIX] Ensure VHS Assets marker is placed in header and footer

A default solution had to be implemented; one which uses the PageRenderer. This also means that VHS Assets may not work correctly in purely uncached contexts on TYPO3 versions below 4.7. This may be possible to solve but will be handled in a separate bug fix.
[BUGFIX] Treat USER and USER_INT individually and ignore BE user
[BUGFIX] Avoid warning on assumed existing Asset cache file
[BUGFIX] Preserve parent caller reference in Asset hook
[TASK] Cache Fluid-enabled Assets with argument value checksum added
[TASK] Simplify Asset cache file writing
[TASK] Discard cache clear hook processor for Assets
[TASK] Allow uncached Assets to depend on cached Assets
[TER] 1.5.0
Merge branch 'master' of github.com:dreipunktnull/vhs
Merge remote-tracking branch 'upstream/master'