* ZATS-20: fixed empty page exception when searching by selector
* add and refine test cases
update version to 1.2.0-SNAPSHOT
add zats-mimic-ext7 project for ZK 7
ZATS-25:
 * replace non-json part when parsing layout and AU data
 * add test cases
* add test case for nav component in ZK7
* refine agant register
* update to ZK 7.0.0