Changed image processing on taken picture.

Photo filters now can work with standard bitmaps.
Fixed "immutable bitmap" bug.
Merged from master branch.
Merged
Fixed workspace.xml
Changed preview and picture taking processing.

Preview RawBitmap and Bitmap are reused now.
Picture taking creates RawBitmap for faster processing.
Preparing
Added new type of filters that works with maximal performance.
Merged
Slow filters replaced with fast, added some new filters.
Merged
Added new filters, changed some old.
Added new file.
Merged
Added special photo filter (easter egg).
Localized filter names, removed useless functions.
Changed some filter names.
Fix camera layout
Fixed bugs.
Merged