actions: Added 'force_prl_fs_mount' action [GH-102]
driver: Added method read_shared_folders
synced_folders: Workaround for [GH-105]. Multiple mount is available

Similar shared folders are added to the guest config only once,
but they are mounted so much times as it's needed.
driver/base refactored
action/force_prl_fs_mount: Added hostpath ensurance & conversion
Version bumped to 'v1.0.5'
.gitignore: leading slashes removed