[#89] rough first attempt to add file explorer to PG-GUI
[#89] strip out bootstrap from file explorer example code, remove all business & presentation logic, get barebones file explorer stub to display properly
[#89] got file explorer reading the root directory, need to implement directory navigation in the file explorer
[#89] added the default icons from the file explorer example app, adding custom node modules & updated dev dependencies to include jade
[#89] Example of opening the file explorer.
[#89] modified so that opener is used on local path links
[#85] updated sidebar icons with hover state
[#87] updated to active/inactive icons on the project widget
[#87] updated sizing of active / inactive icons, updated the active icon
[#91] removed the active / inactive icon from the server status footer
[#87] updated the active / inactive icons for the project widget, update all icon assets to proper size
[#87] added mouseover & mouseout handlers to the start / stop icons on the project widget
[#87] remove rollover highlighting on project widgets
[#86] implemented active/hover/normal states for the plus, minus & settings buttons. modified the opacity of the overlay grey out
[#87] added hover effect on local path hyperlink in the project widget
[#71] stubbed in initial add / open dialog from mocks provided
[#95] moved the grey out overlay so it doesn't cover the sidebar, added active state to plus icon/sidebar area, added code to hide the add/open overlay when grey out overlay is clicked.
[#95] wired up grey out overlay to hide the remove project overlay, settings overlay & add new project overlay when clicked
[#95] added active & inactive  states to minus & settings sidebar areas
[#95] set active sidebar button & hide the active overlay when an inactive button is clicked