SP3.1: Update room settings for Spaces element-ios#5231

- Changed the Room Settings screen according to the new design
- Implemented the room access flow
- Added room upgrade support
- Implemented the room suggestion screen

Riot/Modules/MatrixKit/Views/MXKTableViewCell/MXKTableViewCell.m

@@ -24,10 +24,10 @@
     // Check whether a nib file is available
     NSBundle *mainBundle = [NSBundle mxk_bundleForClass:self.class];
     
-    NSString *path = [mainBundle pathForResource:NSStringFromClass([self class]) ofType:@"nib"];
+    NSString *path = [mainBundle pathForResource:[self className] ofType:@"nib"];
     if (path)
     {
-        return [UINib nibWithNibName:NSStringFromClass([self class]) bundle:mainBundle];
+        return [UINib nibWithNibName:[self className] bundle:mainBundle];
     }
     return nil;
 }
@@ -37,6 +37,11 @@
     return NSStringFromClass([self class]);
 }
 
++ (NSString*)className
+{
+    return [NSStringFromClass([self class]) componentsSeparatedByString:@"."].lastObject;
+}
+
 - (void)awakeFromNib
 {
     [super awakeFromNib];