workaround rendering speed issues in CodeMirror with very large scripts.
Fixes#4631.
Re-arrange editor options in the Preferences dialogue to tidy things up.
- Removed the "lineWrapping" option from the codemirror textarea because
it was creating issue in the code folding.
- Handle the values while depositing during debugging.
- Properly handle the Array values while saving it to sqlite database
and displayed in input dialog.
- SQL code folding was not supported in codemirror so added the same.
(lazy loading) using the require.js. This allows us to load the
javascript required for any node, only when it was loaded in the browser
tree. Also, introduced the mechanism to show/edit/create of any node in
a tab panel (wcDocker.Panel).
