Added test depacker application for pipe data processing.
zxtune-android: refactor file browser. Fix search load on orientation change.
zxtune-android: unify deffered view position operating.
zxtune-android: force ByteBuffer objects to be direct in JNI gate.
zxtune-android: optimize fs.HttpProvider- use 256k buffer, reduce reallocations count.
zxtune-android: implement delayed items resolving in fs.VfsIterator.
zxtune-android: rework main UI components to avoid memory leaks.
zxtune-android: report some errors in toast.
zxtune-android: use external cache dir with fallback to internal.
Add support of ExtremeTracker v1.xx format.
Add player plugin for ET1 format.
Add ET1 samples.
xtractor: enable ET1 decoder.
libxmp: fix crashes on invalid mmd3 module loading.
Update changelog.