Capitalize namespacing structs

This helps to avoid name clashes when breaking up modules into packages.

src/hulk/hulk.d

@@ -56,25 +56,25 @@ void hulk_start()
 {
     cli();
     initialize_cpu();
-    gdt.initialize();
-    idt.initialize();
-    fb.initialize(cast(uint *)HULK_VIRTUAL_FRAMEBUFFER_ADDRESS,
+    Gdt.initialize();
+    Idt.initialize();
+    Fb.initialize(cast(uint *)HULK_VIRTUAL_FRAMEBUFFER_ADDRESS,
             cast(uint *)hulk_header.bootinfo.fb_buffer1_phys,
             hulk_header.bootinfo.fb.width,
             hulk_header.bootinfo.fb.height,
             hulk_header.bootinfo.fb.stride);
-    console.initialize();
-    console.clear();
-    klog.initialize();
+    Console.initialize();
+    Console.clear();
+    Klog.initialize();
 
-    klog.writefln("Welcome to HULK, the HOS UltraLight Kernel!");
+    Klog.writefln("Welcome to HULK, the HOS UltraLight Kernel!");
 
-    hurl.initialize(&hulk_header);
-    pci.initialize();
-    pic.initialize();
-    acpi.initialize(hulk_header.bootinfo.acpi_xsdt_phys);
-    apic.initialize();
-    rtc.initialize();
+    Hurl.initialize(&hulk_header);
+    Pci.initialize();
+    Pic.initialize();
+    Acpi.initialize(hulk_header.bootinfo.acpi_xsdt_phys);
+    Apic.initialize();
+    Rtc.initialize();
     sti();
 
     for (;;)