squash me to "ports: common utilities for building VMMs on NOVA"
netperf: remove packet/s from statistics

Mixing MB/s and packet/s in one graph is a bit confusing - so remove it from
the graph, but is still in the log output.
Revert "Fixup for "use 'const &' for Native_capability where possible""

This reverts commit 47751f7342a8921fbbb9985e2ea7c46fae2c40aa.
Revert "use 'const &' for Native_capability where possible"

This reverts commit 5284d13d113b8af49c85c2b56366f598fe69bbd7.
block_session: extend interface with sync() call

To support components, which implement the block session's server side
rpc object, and which doesn't write data to their device backend immediately,
an additional synchronization call is needed. Thereby, clients like for
instance a file system can tell these components, when a synchronization is
required.

Ref #113
base: Local signal submit
lxip: Port of the Linux TCP/IP stack
netperf: Add separate run scripts for lwip/lxip

Also removed target 'app/netperf' and added 'app/netperf/lwip' and
'app/netperf/lxip'.
libports: libc_block plugin

This plugin provides support for using a Block_session connection by
opening "/dev/blkdev".

Fixes #965.
libports: add sys/disk.h symlink

Fixes #965.
Fix some typos
ram_fs: use server skeleton library

Related to #944.
base-linux: hybrid file-system server

The current implementation is missing support for symbolic links.

Fixes #944.
gpio_drv: Fix linking on PandaBoard

Issue #708
usb_drv: Use GPIO driver on PandaBoard

Also updated run scripts.

Issue #708
cpu_session: follow-up fix for scale_priority

This is a fixup for commit 5a42f40f04981581327639a75298e9e653ef39f5.

ref #961
base: dissolve signal context before destruction