JBIDE-10554 browsersim should remember the last device/window position/size it was started with

add save position functionality and small skin fix
JBIDE-10554 browsersim should remember the last device/window position/size it was started with

fix start incorrect screen appearance bug
JBIDE-10554/JBIDE-13179 BrowserSim does not save position when skin is changed.
JBIDE-10554 browsersim should remember the last device/window position/size it was started with

fix incorrect position on Linux
JBIDE-10554: merge: browsersim should remember the last device/window position/size it was started with
JBIDE-13271 BrowserSim: simulator is closing unexpectedly while changing skin

fix
JBIDE-13189 Standalone BrowserSim should create .browsersim/config.cfg folder in user home directory

config location for standalone version is changed
JBIDE-13305 - close started browsersim when closing eclipse/jbds

Closing all browsersims after exiting eclipse workbench