Bug when importing Beremiz without wx.App declared fixed

Bugs with logger and stand-alone PluginRoot fixed

Greg changes merged

Warning in c_ext compiling fixed

Fix relative matiec path problem
Fix warning in generate common_main

Adding support for declaring PluginRoot outside of Beremiz

Orthographic mistake in french internationalization fixed

improved english spelling and grammar and internationalization updated

Move Debug message disabled message at the right place

Removing superfluous event.Skip() in MenuEvent callback functions

Bug on canopen tests (not being multi-platform) fixed

Bug on Debug trying to start (and stop) before PLC started fixed.
Adding support for detecting platform default settings for target type and canfestival node.
Clear tests folder, leaving only multi-platform tests.

Remove testing printings in svgui module of python plugin

Allowing multiple Beremiz_service instances to run on same target.

Bug on DebugVariablePanel when opening project at start fixed

Bug while trying to import SVG file fixed

Bug when expanded and collapsing plugin tree fixed

Bugs when expanded and collapsing plugin tree and location tree fixed

Bugs when expanded and collapsing location tree fixed

Removing memory leak while closing PluginsRoot

Bugs on displaying plugin available variables in PluginTree fixed

Adding support for displaying plugins available variable into Beremiz plugin tree

Bug on return debug tick test fixed

Merging some improvements from BCT