Reconsider JavaScript ways

Right now the most JavaScript heavy part of In-Portal is an Admin Console. It works, but it can be better structured internally.

Currently we have 2 major problems in JavaScript:

• polluting global scope (every JS file, that is included is adding some new functions/classes to globals scope and other JS hoping that these functions/classes will just be there when they need them)
• including all javascript files regardless of their actual usage (http://requirejs.org/ can help here)
• not using jslint to adhere JavaScript creator (Douglas Crockford) recommendations
• not using strict mode (see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/Strict_mode), which allows to uncover potential problems in code early

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