proguard rule

[zboing]

It will be good if you add in the read.me the proguard line in order to work for releases with minify enabled ;)

-keep class com.murgupluoglu.flagkit.* { *; }

[murgupluoglu]

minifyEnabled true does not effect to library. I added sample in project. You can check there.

[zboing]

than shrinkResources, sorry. I have them both enabled.