Added implicit conversions from boost::filesystem::path to qi::Path

Change-Id: I29337be72d079f17c4a2a349234ab00aa9275b8c
Reviewed-on: http://gerrit.aldebaran.lan/49580
Reviewed-by: goreal <goreal@aldebaran-robotics.com>
Tested-by: goreal <goreal@aldebaran-robotics.com>
Tested-by: gerrit
Reviewed-by: jlamotte <jlamotte@aldebaran.com>
Tested-by: jlamotte <jlamotte@aldebaran.com>
Added wstring conversion from qi::Path.

Change-Id: I650355b8fc983fe4c96477bc1d6e4ddf0fbf3b71
Reviewed-on: http://gerrit.aldebaran.lan/49581
Reviewed-by: goreal <goreal@aldebaran-robotics.com>
Tested-by: goreal <goreal@aldebaran-robotics.com>
Tested-by: gerrit
Reviewed-by: jlamotte <jlamotte@aldebaran.com>
Tested-by: jlamotte <jlamotte@aldebaran.com>
Added qi::Path constructors which take wide character strings.

Change-Id: I7d2ab290f5b23a03a457062e53af9051eaca29de
Reviewed-on: http://gerrit.aldebaran.lan/49690
Tested-by: gerrit
Reviewed-by: jlamotte <jlamotte@aldebaran.com>
Tested-by: jlamotte <jlamotte@aldebaran.com>