pgAdmin 4 commit: Add a context menu to the treeview, with options to d

Add a context menu to the treeview, with options to delete and rename server nodes.

TODO: Make the menu items hook in.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=b43580a19e0e55faa20278c6b7876a334db7ecd8

Modified Files
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web/pgadmin/browser/nodes/server_groups/hooks.py   |   34 +-
.../templates/server_groups/server_groups.js       |   82 +
web/pgadmin/browser/nodes/server_groups/views.py   |   81 +-
.../css/jQuery-contextMenu/jquery.contextMenu.css  |  142 ++
.../js/jQuery-contextMenu/jquery.contextMenu.js    | 1686 ++++++++++++++++++++
.../js/jQuery-contextMenu/jquery.ui.position.js    |  497 ++++++
web/pgadmin/browser/templates/browser/body.html    |   25 +
web/pgadmin/browser/views.py                       |    3 +
web/pgadmin/settings/views.py                      |   24 +-
web/utils/ajax.py                                  |   10 +-
10 files changed, 2521 insertions(+), 63 deletions(-)