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[guilib] adds non-const version of GetControl
[settings] use dynamic_cast<> to upcast to known control types and check NULL

Fixes crash in older skins not adapted to the settings changes.
[guilib] use dynamic_cast<> when copying controls of a specific type
[guilib] use dynamic_cast for upcasting where needed rather than c-style casts
[guilib] remove a bunch of unneeded c-style casts
[guilib] make use of SET_CONTROL_SELECTED macro
platinum update from 0.6.9.1 to 1.0.5.13
[win32] platinum: update VS project files
platinum: fix compile error in NptZip.cpp
platinum: add custom Makefile.in
platinum: log allowed values with state variable errors
platinum: make sure Neptune threads are named
platinum: use server provided item count to iterate browse req

all other modifications to libPlatinum/Neptune since codiqs last commit have
been checked and are not required / have been included upstream

the following patches therefore do not need to be reinstated:

5e5156bde70bb4250c9d912e43656a19d008f110
4df0a4cb1cd059f585de289a10ab915ce1bd95a8
a6eaa587174f73c0fdd7a5130774772c7d475fec
964b08aed02ee52d7f88250409b4e3fdd0363be3
2f70d124f75d76813e48ecc26ffd9aa3625072aa
299d326314619aa3a085f2c026e55860a75b3a5c
5bbf59fbc049325ec4205fadaa0903a753b866ee
370c8366ed83115558e4dcb00561207854c4f971
755f17fe4353b7047ca04c16b7461d1ef3b8ed1b
20c1ed61030f7a5bada60821507f29e54821b1a9
0b11444d6e405fa17e73ef0abc9ceba25a559cce
f96d966e7575b4d9f7c864ad153dd9fb968344c9
99479c384176fd3f82d518506e560ba08ad57e40
347aa55b6c55e2801ff7a421e8bcc02ce0314cab
a1993bf0380b9ced60c39064833435e458aa5434
f13f20aaa9493d58264c55f2a5b2cafd09435b0e
95df1d019cb7ea64a6f748a9104db1ecd666af42
887728b93d0a8cddd6a08bfddc4079f4c2ae82f8
66d2daf7bd90f7be2cb4cdbc5088488627953e3f
ec70e260e95becc5bfcd86512b245776ef9653ea
296435b9a9262b23b49cbfb2302e36e730f292e7
99e0a1eaf18ed07625143e4fadc6eb027f822857
588a66a55067433ade77769a39c81552a995b38d
3fd25488ba88b30cfa0f5b834bbde91a21f05a73
platinum: report and support proper mimetypes for matroska
platinum: also support sort criterias in format res@<property>
platinum: allow some statevariables to reset to default value after sending completed (needed for ContainerUpdateIDs usage)
platinum: add support for upnp:lastPlaybackPosition, upnp:lastPlaybackTime and upnp:playbackCount
platinum: use PersonRole for directors. Also fixes ::FromDidl for authors, actors, directors - previously duplicate entries were present
platinum: support video ratings