WebYaST features: bonding and bridging (FATE#313209).

https://fate.suse.com/313209
YaPI created incorrect ifcfg for bonding. See bnc#790219.
Incorrect function used for counting array items in YaPI.

As a consequence bond device couldn't have more than two devices.
Updated testsuite.
Updated changelog.

Conflicts:

	VERSION
	package/yast2-network.changes

Conflicts:
	VERSION
	package/yast2-network.changes
YaPI: drop caches when reading network interfaces

make it stateless (bnc#790219#c33)

Conflicts:

	package/yast2-network.changes

Conflicts:
	package/yast2-network.changes
cleanup - removed useless code (caused printing a warning)
Fixed testsuite.

Testsuite broke after fixing YaPI to be stateless. It wasn't before
(and should be), so checking writes in testsuite done through YaPI
got into troubles due to this fix.

Conflicts:
	testsuite/tests/Network_YaPI.out
	testsuite/tests/Network_YaPI.ycp
YaPI: Force bridge slave reconfiguration when enslaved.
Updated changelog.

Conflicts:

	VERSION
	package/yast2-network.changes

Conflicts:
	package/yast2-network.changes