[Gemspec] Bump cocoapods-downloader to `'>= 1.2.0', '< 2.0'`

Gemfile.lock

 GIT
   remote: https://github.com/CocoaPods/CLAide.git
-  revision: cfde6ada0a079bf9d5e755f6adcf6aabdeb3dd0d
+  revision: 989df9f0cbd9a2dc35be22aa936637f4f024973a
   branch: master
   specs:
     claide (1.0.2)
 
 GIT
   remote: https://github.com/CocoaPods/Core.git
-  revision: 1738fe598fef20b93001a1a08025ce00f0fc2cec
+  revision: 3d6d4cd9c756d8c418bdfe145fa340ce7242e474
   branch: master
   specs:
     cocoapods-core (1.5.0.beta.1)
@@ -24,14 +24,14 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Nanaimo.git
-  revision: f9e2d776dc942095cf1cda1d9690b2f36f3f2b6b
+  revision: 0761356d8d6f42248bd2ee262accfd414bc566ca
   branch: master
   specs:
-    nanaimo (0.2.4)
+    nanaimo (0.2.5)
 
 GIT
   remote: https://github.com/CocoaPods/Xcodeproj.git
-  revision: 50e70d32d1176d14c57807c8b5adaa6f42ef38ac
+  revision: bd3dc02dc8680e655d8f562c9f5ad196b5d9fac1
   branch: master
   specs:
     xcodeproj (1.5.7)
@@ -39,7 +39,7 @@ GIT
       atomos (~> 0.1.2)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.4)
+      nanaimo (~> 0.2.5)
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-deintegrate.git
@@ -50,10 +50,10 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-downloader.git
-  revision: 74c8d27df0bfa54d569f9beddfac91907ec84f0e
+  revision: e3d4c635550e8a583962cd12769ec57d218e4a38
   branch: master
   specs:
-    cocoapods-downloader (1.1.3)
+    cocoapods-downloader (1.2.0)
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-plugins.git
@@ -108,7 +108,7 @@ PATH
       claide (>= 1.0.2, < 2.0)
       cocoapods-core (= 1.5.0.beta.1)
       cocoapods-deintegrate (>= 1.0.2, < 2.0)
-      cocoapods-downloader (>= 1.1.3, < 2.0)
+      cocoapods-downloader (>= 1.2.0, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
       cocoapods-search (>= 1.0.0, < 2.0)
       cocoapods-stats (>= 1.0.0, < 2.0)

cocoapods.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency 'claide',                '>= 1.0.2', '< 2.0'
   s.add_runtime_dependency 'cocoapods-deintegrate', '>= 1.0.2', '< 2.0'
-  s.add_runtime_dependency 'cocoapods-downloader',  '>= 1.1.3', '< 2.0'
+  s.add_runtime_dependency 'cocoapods-downloader',  '>= 1.2.0', '< 2.0'
   s.add_runtime_dependency 'cocoapods-plugins',     '>= 1.0.0', '< 2.0'
   s.add_runtime_dependency 'cocoapods-search',      '>= 1.0.0', '< 2.0'
   s.add_runtime_dependency 'cocoapods-stats',       '>= 1.0.0', '< 2.0'