Revert "httpstream: handle chunked transfers for statuscode 200"

This reverts commit d318d544cf76ea58c4f12bccc0541d888af7570c.

As it causes problems for other streams. A better fix needed.
Add openEventView to MoviePlayer as it seems some plugins need it
Hopefully my previous commit is a better fix for some plugins

This reverts commit 68c308c717dea24e1479927e22006cbf2d27d72c.
Another try to make 3rd party plugins backwards compatible
Change the subtitle font

As suggested on OpenVix
Merge branch 'master' of git://git.code.sf.net/p/openpli/enigma2