* Add aggregate for junos modules and sub spec validation
* aggregate support of junos modules
* aggregate sub spec validation
* relevant changes to junos integration test
* junos module boilerplate changes
* Add new boilerplate for junos modules
* Fix CI issues
* junos_linkagg implementation and junos modules refactor
* junos_linkagg implementation
* junos_linkagg integration test
* net_linkagg integration test for junos
* decouple `load_config` and `commit` operations,
to allow single commit (in case on confirm commit) and
to perform batch commit (multiple `load_config` followed by single
`commit`)
* Other related refactor
* Fix CI issues
* Fix unit test failure
* Add junos_system declartive module and other related change
* junos_system declartive module
* integration test for junos_system
* integration test for net_system (junos platform)
* pep8 fixes for junos modules
* move to lxml from elementree for xml parsing as it support
complete set of xpath api's
* other minor changes
* Fix CI and doc changes
* Fix unit test failures
* Fix typo in import
* Fix import issue for py2.6
* Add missed Element in import
Ganesh Nalawade
Toshio Kuratomi