chisel: Change pattern for reset values.
Merge branch 'master' into exceptions
chisel: First prototype implementation of exception/interrupt handling.
chisel: Add file for actual exception handling unit.
chisel: First version of traps.
chisel: Generalize exception handling.
chisel: Use buttons/keys as external interrupt sources.
test: Add test program for exceptions/interrupts.
Merge branch 'master' into exceptions
chisel: Add illegal operation exception.
doc: Update documentation for exceptions/interrupts.
Merge branch 'master' into exceptions
chisel: Ignore unsupported stack control operations.
chisel: Add missing file for keys device.
chisel: Writes to the pending flags clear bits but do not set them.
simulator: Use absolute addresses for BRCF with immediates.
Merge branch 'master' into isarev_m23
Merge branch 'master' into isarev_m23
Merge branch 'master' into isarev_m23
Merge branch 'master' into exceptions

Conflicts:
	chisel/src/patmos/Decode.scala
	chisel/src/patmos/Execute.scala
	chisel/src/patmos/InOut.scala
	chisel/src/patmos/Memory.scala
	chisel/src/patmos/connections.scala