Fix project generator for Windows; update docs for IDE

examples/ide/eclipse/.cproject

@@ -15,7 +15,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactName="eclipse" buildProperties="" description="" id="0.910961921" name="Default" parent="org.eclipse.cdt.build.core.prefbase.cfg">
+				<configuration artifactName="PlatformIO" buildProperties="" description="" id="0.910961921" name="Default" parent="org.eclipse.cdt.build.core.prefbase.cfg">
 					<folderInfo id="0.910961921." name="/" resourcePath="">
 						<toolChain id="org.eclipse.cdt.build.core.prefbase.toolchain.952979152" name="No ToolChain" resourceTypeBasedDiscovery="false" superClass="org.eclipse.cdt.build.core.prefbase.toolchain">
 							<targetPlatform binaryParser="org.eclipse.cdt.core.ELF" id="org.eclipse.cdt.build.core.prefbase.toolchain.952979152.52310970" name=""/>
@@ -86,7 +86,7 @@
 		</cconfiguration>
 	</storageModule>
 	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-		<project id="eclipse.null.189551033" name="eclipse"/>
+		<project id="PlatformIO.null.189551033" name="PlatformIO"/>
 	</storageModule>
 	<storageModule moduleId="scannerConfiguration">
 		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>

examples/ide/eclipse/.project

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>eclipse</name>
+	<name>PlatformIO</name>
 	<comment></comment>
 	<projects>
 	</projects>

examples/ide/eclipse/src/blink.cpp

@@ -1,3 +1,5 @@
+#include "Arduino.h"
+
 // Most Arduino boards already have a LED attached to pin 13 on the board itself
 #define LED_PIN 13