Since SDWebImage 5.0.0-beta was released, able to add that version as a requirement + reenable pod lib lint

Author: bpoplauschi

Diff for: .travis.yml

@@ -27,8 +27,8 @@ before_install:
 script:
   - set -o pipefail
 
- # - echo Check if the library described by the podspec can be built
- # - pod lib lint
+  - echo Check if the library described by the podspec can be built
+  - pod lib lint --allow-warnings
 
   - echo Build example
   - pod install --project-directory=Example

Diff for: SDWebImageFLPlugin.podspec

@@ -25,6 +25,6 @@ This project adds a plugin for FLAnimatedImage into SDWebImage, for loading anim
   s.source_files = 'SDWebImageFLPlugin/Classes/**/*', 'SDWebImageFLPlugin/Module/SDWebImageFLPlugin.h'
   s.module_map = 'SDWebImageFLPlugin/Module/SDWebImageFLPlugin.modulemap'
 
-  s.dependency 'SDWebImage/Core'
+  s.dependency 'SDWebImage/Core', '>= 5.0.0-beta'
   s.dependency 'FLAnimatedImage', '>= 1.0.11'
 end