pgAdmin 4 commit: Refactor server dialogue validation for better unitt

Refactor server dialogue validation for better unit testing.

Victoria & Joao @ Pivotal.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=6b03cb78af607b04c75de44d635bf201babb4c5a
Author: Victoria Henry <vhenry@pivotal.io>

Modified Files
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web/package.json                                   |   3 +-
.../server_groups/servers/static/js/server.js      | 113 ++-------------------
web/pgadmin/static/bundle/browser.js               |   2 +-
web/pgadmin/static/js/browser/index.js             |  10 ++
.../static/js/browser/server_groups/index.js       |  10 ++
.../server_groups/servers/databases/index.js       |  10 ++
.../js/browser/server_groups/servers/index.js      |  11 ++
.../server_groups/servers/model_validation.js      | 104 +++++++++++++++++++
.../server_groups/servers/model_validation_spec.js | 101 ++++++++++++++++++
web/yarn.lock                                      |  46 ++++++++-
10 files changed, 299 insertions(+), 111 deletions(-)