New Release 1.5.3 available

[dgud]

Currently as a developer release, if it works I'll mark it as stable

Fixed and new features:

- Use (and require) OTP 17.0 which hopefully fixes unicode issues on
win32 [dgud]

- Fix OpenCL so that it works on nvidia cards even though it's built
with a 1.2 framework [dgud]

- JPG import now works on the Mac. [Björn Gustavsson]

- Added a new option to Snap[RMB] (in Body mode) that enable the user
duplicate the object between reference and target. Thanks to Optigon
for suggest it. [Micheus]

- Added a new option to auto save an unsaved project. [Micheus]

- Fixed an issue related to font selection under Windows 7 - fonts'
name aren't displayed. [Micheus]

- Fixed an issue related to edges highlight in Tweak and Sculpt that
was crashing wings when the object have hidden faces or
holes. Thanks to Extrudeface for the report. [Micheus]

- Fixed a issue related to Select Group and Saved Camera windows not
be drawn using the alpha settings as defined in the
preferences. Thanks to Justanother1 for the report. [Micheus]

- Fixed the duplicated IDs in the language file for "Rename"
operations available in the "Geometry Graph" window. Thanks to
TulipVorlax. [Micheus]

- Fixed some issues related to images of materials exported by POV-Ray
plugin. Thanks to RyMopar that reported it. [Micheus]

- Fixed an error in the "wings_u:relative_path_name" routine that was
rebuilding the full path in a wrong way. [Micheus]

- Added support to save and restore the last view settings of a project. [Micheus]

- Added option to customize the grid size. [Micheus]

- Added a new option to Absolute-Move command (MMB) that enable the
user set the reference point. [Micheus]