upgrade ge11 oh to 4.0 gbps links to backend

• Increases the link speeds for the OH -> GEM Backend links to 4.0 Gbps
  • CSC links should still be at 3.2 Gbps
• Fix the alignment of the GE11 clusters relative to the 40MHz clock
  • Was causing splitting / corruption of data between bunch crossings
• All clusters will now be sorted by address instead of just partition
• Change the s-bit injector period to 297 clock cycles, and synchronize it to the bc0
• Use the offset (local) bc0 for the trigger links

Resolves issues:

• Closes #19 (closed)
• Closes #37 (closed)
• Closes #18 (closed)
• Closes #38 (closed)