Fix #24

Author: Kapeli

Dash/DHFeed.h

@@ -59,5 +59,6 @@
 - (void)adjustTitleLabelWidthBasedOnButtonsShown;
 - (UIImage *)icon;
 - (NSString *)uniqueIdentifier; // Used to find a corresponding feed from a installed docset
+- (NSString *)installFolderName;
 
 @end

Dash/DHFeed.m

@@ -231,4 +231,9 @@ - (NSString *)uniqueIdentifier // Used to find a corresponding feed from a insta
     return self.feedURL;
 }
 
+- (NSString *)installFolderName
+{
+    return (self._uniqueIdentifier) ? self._uniqueIdentifier.lastPathComponent : self.feed.lastPathComponent.stringByDeletingPathExtension;
+}
+
 @end

Dash/DHRepo.m

@@ -827,8 +827,7 @@ - (NSString *)docsetInstallFolderPath
 
 - (NSString *)docsetPathForFeed:(DHFeed *)feed
 {
-    NSString *filename = [[feed.feed lastPathComponent] stringByDeletingPathExtension];
-    return [[self docsetInstallFolderPath] stringByAppendingPathComponent:filename];
+    return [[self docsetInstallFolderPath] stringByAppendingPathComponent:feed.installFolderName];
 }
 
 - (NSString *)defaultsKey