org.webosports.cdav: bump SRCREV

- fixed issues with db query limit of 500 objects
- fixed issue with URI encoding that affected Yahoo.
- fixed crash on empty ics retrival
- changed some stuff to allow automated testing (still in early stage)
- fixed google resolving (non critical issue)
- now additionally writing log to
/media/internal/.org.webosports.cdav.service.log in order to find
crashes (i.e. service hangs for days)
- Retry etag retrival without filtering, if filtering is not supported.
- If upload fails with error code that hints for impossible upload, do
not retry upload during next sync.
- Fixed minor issues with proxy usage

Signed-off-by: Achim Königs <garfonso@mobo.info>
Merge branch 'patch-15' of https://github.com/Garfonso/meta-webos-ports into patch-15