Update default and edge kernels to 3.13.1.opinsys2

Known issues:
- NVIDIA dkms module does not compile, perhaps the whole driver needs to
  be updated.
Enable zram again, now that 3.13.1.opinsys2 is the default kernel

Zram seems to give lot of gain with low-mem (1G) fatclients and it has
gained lot of stability fixes, lets hope it works.. fingers crossed.

$ git log --oneline v3.10.28...v3.13.1 -- drivers/staging/zram/
1b67222 Staging: zram: Fix memory leak by refcount mismatch
46a51c8 Staging: zram: Fix access of NULL pointer
59d3fe5 Staging: zram: Fix variable dereferenced before check
f0f65a9 Revert "staging: zram: Add auto loading of module if user opens /dev/zram."
94bcc7d zram: allow request end to coincide with disksize
a0c516c zram: don't grab mutex in zram_slot_free_noity
2b86ab9 zram: fix invalid memory access
a539c72 Staging: zram: zram_drv.c: Fixed Error of trailing whitespace
c181b46 zram: protect sysfs handler from invalid memory access
408fd68 zram: avoid access beyond the zram device
f7b071d zram: avoid double free in function zram_bvec_write()
916c68d zram: destroy all devices on error recovery path in zram_init()
6349a11 zram: use zram->lock to protect zram_free_page() in swap free notify path
b74c38d zram: avoid invalid memory access in zram_exit()
01731cf Merge 3.11-rc3 into staging-next
f40ac2a zram: prevent data loss in error cases of function zram_bvec_write()
c70bda9 staging: zram: Add auto loading of module if user opens /dev/zram.
644d478 staging: zram: protect zram_reset_device() call
75c7caf zram: allow request end to coincide with disksize
9b3bb7a zram: remove zram_sysfs file (v2)
da5cc7d zram: use atomic64_xxx() to replace zram_stat64_xxx()
42e99bd zram: optimize memory operations with clear_page()/copy_page()
0f0e3ba zram: kill unused zram_get_num_devices()
80de574 zram: simplify and optimize dev_to_zram()
5863e10 zram: protect sysfs handler from invalid memory access
12a7ad3 zram: avoid access beyond the zram device
65c4846 zram: avoid double free in function zram_bvec_write()
39a9b8a zram: destroy all devices on error recovery path in zram_init()
57ab048 zram: use zram->lock to protect zram_free_page() in swap free notify path
6030ea9 zram: avoid invalid memory access in zram_exit()
596b3dd Staging: Fixes string split across lines in zram
NVIDIA is updated and package has been renamed to nvidia-304
Add udev rules for Wacom Intuos M (056a:0303)
Set default kernel to 3.12.10.opinsys1

3.13.1 causes a really strange nbd-connection problem:

If there is a hanging nbd-connection (nbd-server process still exists
but the client has terminated), the client host to which the connection
is associated cannot make a new connection until the nbd-server has
died.

This does not seem to happen with 3.12.10.opinsys1.

Moreover, all zram patches included in 3.13.1 are also included in
3.12.10.
Update default kernel to 3.12.10.opinsys2