bundled version to test phonegap build.
directly set permissions in our config.xml.
bump phonegap version.
refactoring & basic filters.

Basically split into several components: `Video` and `Preview`.
`Preview` can take a filter.
threshold filter & refactoring.
make sure filter is applied when exporting.
refactored filters system & monochrome done.
hivernal filter.
vintage & mauve filters.
ui demo.
first set of webgl filters.
removed deprecated files & ignores.
updated project structure for server codebase.