Update 4 Casks to use staged_path instead of destination_path

Casks/android-studio-canary.rb

@@ -9,6 +9,6 @@ class AndroidStudioCanary < Cask
   app 'Android Studio.app'
 
   postflight do
-    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{destination_path}/Android Studio.app/Contents/Info.plist"
+    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{staged_path}/Android Studio.app/Contents/Info.plist"
   end
 end

Casks/intellij-idea-ce13.rb

@@ -9,7 +9,7 @@ class IntellijIdeaCe13 < Cask
   app 'IntelliJ IDEA 13 CE.app'
 
   postflight do
-    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{destination_path}/IntelliJ IDEA 13 CE.app/Contents/Info.plist"
+    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{staged_path}/IntelliJ IDEA 13 CE.app/Contents/Info.plist"
   end
 
   zap :delete => [

Casks/intellij-idea13.rb

@@ -9,7 +9,7 @@ class IntellijIdea13 < Cask
   app 'IntelliJ IDEA 13.app'
 
   postflight do
-    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{destination_path}/IntelliJ IDEA 13.app/Contents/Info.plist"
+    system '/usr/libexec/PlistBuddy', '-c', 'Set :JVMOptions:JVMVersion 1.6+', "#{staged_path}/IntelliJ IDEA 13.app/Contents/Info.plist"
   end
 
   zap :delete => [

Casks/vmware-fusion6.rb

@@ -10,6 +10,6 @@ class VmwareFusion6 < Cask
   app 'VMware Fusion.app'
   uninstall_preflight do
     system '/usr/bin/sudo', '-E', '--',
-           '/usr/sbin/chown', '-R', '--', "#{Etc.getpwuid(Process.euid).name}:staff", "#{destination_path}/VMware Fusion.app"
+           '/usr/sbin/chown', '-R', '--', "#{Etc.getpwuid(Process.euid).name}:staff", "#{staged_path}/VMware Fusion.app"
   end
 end