Copy & Paste in same Folder Fix

#739
enable dblClick on fileSelector(div) in icon view
[ui,cwd] fix hover of cwd
[css.cwd] add "border:none;" into .elfinder-cwd-file
[core] add 'distance:8' into fm.draggable object

For prevent unwanted drags when (dbl)clicking.
[css] fix #755, give `content-box` to button
[cmd:info] not show link when url is NULL, for virtual holder volume
[core] use location.hash for start dirctory

If location.hash is "#elf_`file.hash`", use `file.hash` as start dirctory.
[cmd:info] add command options `{nullUrlDirLinkSelf : true}`

`nullUrlDirLinkSelf : true` that make link that opens directory in elFinder, if "file.url" is null.
[cmd:info] fix judgment `null` at @a80db7f0
[core] supoort browser native history

Add new UI option `elFinder.options.useBrowserHistory`, default is on(true).
[php:core] add public function `getVolume` that call protected volume()
[php:driver] add optional parameter `$lineal` into parents()

`@param  bool|null $lineal only lineal parents`
[core] fix of @3dc406
[php:connector] Remove null & stripslashes applies on "magic_quotes_gpc"
[core:elFinder] undefined property `netDrivers`

This fix for Studio-42/elFinder#776.
[ui:cwd] unselect all on cwd click (without shift & ctr)
[VolumeDriver] fix typo
[php:localVolDrv]fix #653, #784 problem of `_inpath`
Better Greek Translation