Merge pull request #376 from ivanoblomov/master

Added alternate compiler flag for frameworks that extend optional libraries, like Parse and RestKit

@@ -247,6 +247,10 @@ Open the "Build Settings" tab, in the "Linking" section, locate the "Other Linke
 
 ![Other Linker Flags](http://dl.dropbox.com/u/123346/SDWebImage/10_other_linker_flags.jpg)
 
+Alternatively—if this causes compilation problems with frameworks that extend optional libraries, such as Parse or RestKit—instead of the -ObjC flag use:
+
+-force_load SDWebImage.framework/Versions/Current/SDWebImage
+
 ### Import headers in your source files
 
 In the source files where you need to use the library, import the header file: