MSActiveConfig Instantiation

This is what creating the MSActiveConfig object with its dependencies would look like:

#import <MSActiveConfig/MSActiveConfig.h>
#import <MSActiveConfig/MSJSONURLRequestActiveConfigDownloader.h>
#import <MSActiveConfig/MSUserDefaultsActiveConfigStore.h>
#import <MSActiveConfig/MSActiveConfigConfigurationState.h>
#import <MSActiveConfig/MSActiveConfigConfigurationState+MSLazyLoadedState.h>

- (MSActiveConfigConfigurationState *)initialActiveConfigState
{
    NSString *bootstrappedActiveConfigFileName = @"InitialActiveConfig.json";
    NSString *bootstrappedActiveConfigFilePath = [[NSBundle mainBundle] pathForResource:bootstrappedActiveConfigFileName ofType:nil];

    return [MSActiveConfigConfigurationState lazyLoadedConfigurationStateFromJSONFileAtPath:bootstrappedActiveConfigFilePath];
}

- (MSActiveConfig *)newActiveConfig
{
    // Config Downloader
    MSJSONURLRequestActiveConfigDownloader *downloader = [[MSJSONURLRequestActiveConfigDownloader alloc] initWithCreateRequestBlock:^NSURLRequest *(NSString *userID) {
        return [NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://myserver.com/activeconfig/user/%@", userID]]];
    }];

    // Config Store
    MSActiveConfigConfigurationState *initialConfigurationState = [self initialActiveConfigState];

    MSUserDefaultsActiveConfigStore *configStore = [[MSUserDefaultsActiveConfigStore alloc] initWithInitialSharedConfiguration:initialConfigurationState];

    // Active Config
    MSActiveConfig *activeConfig = [[MSActiveConfig alloc] initWithConfigDownloader:configDownloader
                                                                        configStore:configStore];

    return activeConfig;
}