Bug 544944: Add a description for new Arduino Project

and fix wording of makefile project. These are to take
advantage/improve based on new platform feature:
https://www.eclipse.org/eclipse/news/4.11/platform.php#onboarding-text
which was done in Bug 543746

Change-Id: I4b6c5812adbf0c94e7dd60c80b5150f524e065e5

build/org.eclipse.cdt.managedbuilder.ui/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.cdt.managedbuilder.ui; singleton:=true
-Bundle-Version: 9.1.1.qualifier
+Bundle-Version: 9.1.100.qualifier
 Bundle-Activator: org.eclipse.cdt.managedbuilder.ui.properties.ManagedBuilderUIPlugin
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin

build/org.eclipse.cdt.managedbuilder.ui/plugin.properties

@@ -78,7 +78,7 @@ WizardConvertMakeProject.name=Convert to a C/C++ Project (Adds C/C++ Nature)
 WizardConvertMakeProject.description=Convert to a C/C++ Project
 
 WizardMakeProjFromExisting.name=Existing Code as Makefile Project
-WizardMakeProjFromExisting.description=Creates a new Makefile project in a directory containing existing code
+WizardMakeProjFromExisting.description=Create a new Makefile project in a directory containing existing code
 
 NewMakeFromExisting.name=Makefile Project with Existing Code
 

toolchains/arduino/org.eclipse.cdt.arduino.ui/plugin.xml

@@ -28,6 +28,9 @@
             id="org.eclipse.cdt.arduino.ui.newProjectWizard"
             name="Arduino Project"
             project="true">
+           <description>
+              Create a new Arduino Project
+           </description>
       </wizard>
    </extension>
    <extension