Add options to load automatically the more recent grib file in the default directory or the last  previously loaded
Refactoring: fixed some wxString parameters which were not const references. Also some methods are now const that weren't.
Retained compatibility to plugins after refactoring of the const wxString references as method parameters.
Merge pull request #59 from Ptizef/master

Add options to automatically load the more recent grib file in the default directory ot the last previously loaded
Make grib change columns to better use space
Merge pull request #61 from mariokonrad/refactor

Refactoring: method paramters: const references of wxString instead of call by value, keeping binary compatibility with existing plugins.
Fix deprecated string conversion warnings
Correct AutoPan logic
Improve serial port timeout logic
Improve S57 ENC processing of non-English character sets
Correct ENC cell duplication quilt logic, esp. for ENC_HOLLAND
Correct quilt auto-pan logic
Liberalize quilted S57 ENC cell inclusion logic factor.
Define PlugIn API 1.10 Route and Waypoint support
add PositionBearingDistanceMercator functionality for plugins
Merge remote branch 'upstream/master'

Conflicts:
	plugins/grib_pi/src/GribUIDialog.cpp