Updated the MacOS deployment target for the Projucer and the Demo

examples/Demo/JuceDemo.jucer

@@ -11,7 +11,7 @@
                customPList="<plist>
<dict>
	<key>NSAppTransportSecurity</key>
	<dict>
		<key>NSAllowsArbitraryLoads</key>
		<true/>
	</dict>
</dict>
</plist>">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="JuceDemo"
-                       osxSDK="default" osxCompatibility="10.10 SDK" osxArchitecture="default"
+                       osxSDK="default" osxCompatibility="10.6 SDK" osxArchitecture="default"
                        defines="" enablePluginBinaryCopyStep="1"/>
         <CONFIGURATION name="Release" isDebug="0" optimisation="3" targetName="JuceDemo"
                        osxSDK="default" osxCompatibility="10.6 SDK" osxArchitecture="default"

extras/Projucer/Projucer.jucer

@@ -13,10 +13,10 @@
                extraFrameworks="AudioUnit; Accelerate; AVFoundation; CoreAudio; CoreAudioKit; CoreMIDI; DiscRecording; QuartzCore; AudioToolbox; OpenGL; QTKit; QuickTime">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="Projucer"
-                       osxSDK="default" osxCompatibility="10.9 SDK" osxArchitecture="default"
+                       osxSDK="default" osxCompatibility="10.11 SDK" osxArchitecture="default"
                        headerPath="" libraryPath="" cppLibType="libc++" enablePluginBinaryCopyStep="1"/>
         <CONFIGURATION name="Release" isDebug="0" optimisation="3" targetName="Projucer"
-                       osxSDK="default" osxCompatibility="10.7 SDK" osxArchitecture="default"
+                       osxSDK="default" osxCompatibility="10.11 SDK" osxArchitecture="default"
                        headerPath="" libraryPath="" cppLibType="libc++" enablePluginBinaryCopyStep="1"/>
       </CONFIGURATIONS>
       <MODULEPATHS>