Errors in the file output templates are reported in mono-spaced font,
so that the arrow character ^ is displayed at the right column
pointing to the offending spot.
which now will be used for preset choosers on sidebar a preset tabs.
+ for BitmapCache class added m_scale used for correct scaling of SVG images on Retina displays
+ some code clearing from unused functions or function's parameters
+ Added a calculation of a empty bitmaps inside presets in respect to em_unit (to avoid assert)
+ Added scaling for PrintHostDialogs and MsgDialog
+ some code refactoring
Removed libslic3r from the default include paths for all modules but
libslic3r. Now headers from libslic3r need to be included with an
explicit path (libslic3r/libslic3r.h etc)
Split the localization macros into I18N.{cpp,h}
