Blender Git Loki

Added standard hotkeys for standard features like copying, cutting, pasting, saving, loading.

Saving/Loading:
Save - Ctrl S / Cmd S
Save As - Ctrl+Shift S / Cmd+Shift S
Open - Ctrl O / Cmd O
Open Recent - Ctrl+Shift O / Cmd+Shift O
New File - Ctrl N / Cmd N

Text:
Copy- Ctrl+C / Cmd+C
Cut- Ctrl+C / Cmd+C
Paste- Ctrl+V / Cmd+V
Select text- Ctrl+A / Cmd+A

Misc:
Repeat Last Op - Ctrl+R / Cmd+R
Render - Ctrl+Return / Cmd+Return
Render Animation- Shift+Ctrl+Return / Shift+Cmd+Return
User Preferences - Ctrl+Comma / Cmd+Comma
Changed the important search menu to Space key.

Old hotkeys are still preserved, at least for now.