updates to fix various bugs
display widgets are no longer movable in simulator mode
fixed bug where widgets still move even when the mouse is out of the widget area
fixed bugs where display widget regular expression presets are not properly listed and remembered
fixed widget definition saving bug
-- on the server
now ensure that pvsio process outputs are joined in a string before sending to the client
ensured consistent use of port variable on the server

--- thèse changes were initiated for FMIS2013 presentation ---
Fix for issue #9

Removed websocketserver.js (as it was no longer needed) - all functionality now within pvssocketserver.js
updated pvsprocess.js to ensure each instance has its own process

fixed bug where source code files were being saved in the root project directory