Changes to allow UART to generate escape and break

Change-Id: I09fdde90d7479f2726c19e0f4870041ddee2cdb3
Updated all three targets to use AtomGodilVideo; only papilio/hoglet wing tested so far

Change-Id: Ie4a22f7b0c66dd3ada3bab0849be378be7271e6e
Added UART and Mouse to Atomic Top Papilio

Change-Id: Ia95b1b48f5c0a772d5ceb5b77888e3d50e432f09
Added vga80 OSWRCH handler to fpgautils - version now 0.20

Change-Id: Iaf2266feb9e43b92bf98e6d89fd300a8d0117aba
Updated Atomic_Papilio to enable more GODIL features and fpgautils 0.20

Change-Id: I27982ccd6392793393e7688aec23fc774d8b25ae
Updated to latest GODIL that fixes an issue with UART break/escape. Upsated FPGAUtils to 0.21 that makes corresponding change to SINOUT; updated internet MENU

Change-Id: I33cc4738c773bf1ffe04448379bbf024c5af2568
Fixed an ExternWE timing problem by adding a simulated Phi2 and using this to gate ExternWE to async devices. This now allows the FLASH to be re-programmed reliably

Change-Id: Ib48072f82b998e33dda9dda3409428ba1b615145
Merge branch 'godil'