Changed directory structure within equares_http/.
Added line numbers to text area; however, it now doesn't resize properly.
Fixed the issue about resizing of text area with line numbers; replaced line numbering implementation.
Implemented validation-based link color on scheme; fixed css for line numbers; added port format display in help popup.
Got rid of using async calls to retrieve primary box info (it's now loaded at startup); reduced saved scheme data.
Implemented critical props that have to be set before all other props during the import.
Implemented box validation based on port format and parameter values.