Bug 2180 - schema aware builders for ordered list and leaf-list are
absent

* added builders that provide ordered list and ordered leaf-list nodes
* added tests to check ordered node parsing

NOTE: this patch is based on patches by Tony Burke<tony@iservice.com>

Change-Id: I351e841c9fd1e02678b94598f7f5d46ab00a8334
Signed-off-by: Jan Hajnar <jhajnar@cisco.com>
Signed-off-by: Tony Burke <tony@iservice.com>
Merge "Bug 2180 - schema aware builders for ordered list and leaf-list are absent"