page layout editor: Add missing Info.plist for OSX.

Mingw, all: remove static link of libgcc, which can create issues when using dll version of wxWidgets.
Therefore libgcc_s_dw2-1.dll should be in the paths for executables.

CMakeLists.txt

@@ -114,10 +114,15 @@ if( CMAKE_COMPILER_IS_GNUCXX )
 
     if( MINGW )
         # Set default flags for Release build.
-        set( CMAKE_EXE_LINKER_FLAGS_RELEASE "-s -static-libgcc -static-libstdc++" )
+        # Use a static link for libstdc++ reduce the starting time for Pcbnew (and eeschema)
+        # (10 times faster)
+        # This problem is caused by large relocation table and inefficient MinGW implementation
+        # see http://sourceforge.net/p/mingw/bugs/1747/ and also
+        # http://stackoverflow.com/questions/15310996/clang-slow-startup-using-mingw
+        set( CMAKE_EXE_LINKER_FLAGS_RELEASE "-s -static-libstdc++" )
 
         # Set default flags for Debug build.
-        set( CMAKE_MODULE_LINKER_FLAGS "-static-libgcc -static-libstdc++") # SWIG macros on Windows
+        set( CMAKE_MODULE_LINKER_FLAGS "-static-libstdc++")
 
     else()
         # We build DLL/DSOs from static libraries, so create position independent code

pagelayout_editor/Info.plist

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDocumentTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>kicad_wks</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>pl_editor.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>pl_editor document</string>
+			<key>LSHandlerRank</key>
+			<string>Owner</string>
+		</dict>
+	</array>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>pl_editor</string>
+	<key>CFBundleGetInfoString</key>
+	<string></string>
+	<key>CFBundleIconFile</key>
+	<string>pl_editor.icns</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.kicad-eda.pl_editor</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleLongVersionString</key>
+	<string></string>
+	<key>CFBundleName</key>
+	<string>pl_editor</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string></string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string></string>
+	<key>CSResourcesFileMapped</key>
+	<true/>
+	<key>LSRequiresCarbon</key>
+	<true/>
+	<key>NSHumanReadableCopyright</key>
+	<string></string>
+</dict>
+</plist>