Get the unit tests passing again

Note: I need to write more. Lots more.

MinimalBible/src/main/java/org/bspeice/minimalbible/activities/downloader/BookListFragment.java

@@ -118,11 +118,7 @@ public class BookListFragment extends BaseFragment {
         }
 
         // Listen for the books!
-        refreshManager.getAvailableModules()
-                // First flatten the Map to its lists
-                .flatMap((books) -> Observable.from(books.values()))
-                // Then flatten the lists
-                .flatMap(Observable::from)
+        refreshManager.getAvailableModulesFlattened()
                 .filter((book) -> book.getBookCategory() ==
                         BookCategory.fromString(getArguments().getString(ARG_BOOK_CATEGORY)))
                 // Repack all the books

MinimalBible/src/main/java/org/bspeice/minimalbible/activities/downloader/manager/BookDownloadManager.java

@@ -56,6 +56,7 @@ public class BookDownloadManager implements WorkListener, BooksListener {
         BookDownloadThread dlThread = dlThreadProvider.get();
         dlThread.downloadBook(b);
         addJob(BookDownloadThread.getJobId(b), b);
+        downloadEvents.onNext(new DLProgressEvent(DLProgressEvent.PROGRESS_BEGINNING, b));
     }
 
     public void addJob(String jobId, Book b) {

MinimalBible/src/main/java/org/bspeice/minimalbible/activities/downloader/manager/InstalledManager.java

@@ -63,6 +63,9 @@ public class InstalledManager implements BooksListener {
     }
 
     public void removeBook(Book b) {
+        if (installedBooks == null) {
+            initialize();
+        }
         try {
             // This worked in the past, but isn't now...
             // installedBooks.remove(b);

MinimalBible/src/main/java/org/bspeice/minimalbible/activities/downloader/manager/RefreshManager.java

@@ -61,6 +61,14 @@ public class RefreshManager {
         return availableModules;
     }
 
+    public Observable<Book> getAvailableModulesFlattened() {
+        return availableModules
+                // First flatten the Map to its lists
+                .flatMap((books) -> Observable.from(books.values()))
+                // Then flatten the lists
+                .flatMap(Observable::from);
+    }
+
     /**
      * Get the cached book list
      * @return The cached book list, or null
@@ -90,7 +98,7 @@ public class RefreshManager {
             }
             return false;
         })
-        .take(1)
+        .first()
         .map(element -> element.entrySet().iterator().next().getKey());
     }