improve --help output

src/main.cpp

@@ -118,9 +118,16 @@ int main(int argc, char *argv[])
 			cout <<
 			     "Usage: Fritzing [-f FOLDER] [OPTION]... [FILE]\n"
 			     "\n"
+			     "Fritzing is an open-source hardware initiative that makes electronics accessible as a creative material for anyone. "
+			     "We offer this software tool, a community website and services in the spirit of Processing and Arduino, "
+			     "fostering a creative ecosystem that allows users to document their prototypes, share them with others, "
+			     "teach electronics in a classroom, and layout and manufacture professional PCBs.\n"
+			     "\n"
+			     "For more information on Fritzing and its related activities visit <https://fritzing.org>.\n"
+			     "\n"
 			     "Options:\n"
 			     "\n"
-			     "user options:\n"
+			     "User options:\n"
 			     "  -d, -debug                    run Fritzing in debug mode, providing additional debug information\n"
 			     //" drc filename : runs a design rule check on the given sketch file\n"
 			     "  -f, -folder FOLDER            use Fritzing parts, sketches, bins and translations in folders under FOLDER\n"
@@ -132,24 +139,30 @@ int main(int argc, char *argv[])
 			     "  -port NUMBER                  run Fritzing as a server process on port NUMBER\n"
 			     "  -svg FOLDER                   export all sketches in FOLDER to SVGs of all views, in the same folder\n"
 			     "\n"
-			     "developer options:\n"
+			     "Administrator option:\n"
 			     "  -db, -database FILE           rebuild the internal parts database FILE\n"
+			     "\n"
+			     "Developer options:\n"
 			     "  -e, -examples FOLDER          prepare all sketches in FOLDER to be included as examples\n"
-			     "  -ep FILE                      external process at FILE\n"
-			     "  -eparg ARGS                   external process arguments ARGS\n"
-			     "  -epname NAME                  external process menu item NAME\n"
+			     "  -ep FILE                      add menu item for external process using executable FILE\n"
+			     "  -eparg ARGS                   with -ep, external process arguments ARGS\n"
+			     "  -epname NAME                  with -ep, external process menu item NAME\n"
 			     "\n"
-			     "The -geda/-kicad/-kicadschematic/-gerber/svg options all exit Fritzing after the conversion process is complete;\n"
+			     "The -geda, -kicad, -kicadschematic, -gerber SVG options all exit Fritzing after the conversion process is complete;\n"
 			     "these options are mutually exclusive.\n"
 			     "\n"
+#ifndef PKGDATADIR
 			     "Usually, the Fritzing executable is stored in the same folder that contains the parts/bins/sketches/translations folders,\n"
 			     "or the executable is in a child folder of the p/b/s/t folder.\n"
 			     "If this is not the case, use the -f option to point to the p/b/s/t folder.\n"
 			     "\n"
+#endif
 			     "The -ep option creates a menu item to launch an external process,\n"
 			     "and puts the standard output of that process into a dialog window in Fritzing.\n"
 			     "The process path follows the -ep argument; the name of the menu item follows the -epname argument;\n"
-			     "and any arguments to pass to the external process are provided in the -eparg arguments.\n";
+			     "and any arguments to pass to the external process are provided in the -eparg arguments.\n"
+			     "\n"
+			     "Report bugs or suggest improvements using the issue tracker <https://github.com/fritzing/fritzing-app/issues> or the user forum <https://forum.fritzing.org>.\n";
 			break;
 		}
 		case FInitResultVersion: {