Merge pull request CocoaPods#1242 from intercom/master

Adding Intercom podspec

Intercom/1.0/Intercom.podspec

@@ -0,0 +1,18 @@
+Pod::Spec.new do |s|
+  s.name     = 'Intercom'
+  s.version  = '1.0'
+  s.license  = 'Apache 2.0'
+  s.summary  = 'An easiest way to install Intercom in your iOS app.'
+  s.homepage = 'http://www.intercom.io'
+  s.author   = { "Adam McCarthy" => "adam@intercom.io" }
+  s.source   = { :git => 'https://github.com/intercom/intercom-ios.git', :tag => '1.0' }
+  s.source_files = 'Intercom'
+  s.ios.deployment_target = '5.0'
+
+  s.prefix_header_contents = <<-EOS
+#import <Availability.h>
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+  #import "Intercom.h"
+#endif
+EOS
+end