Add FALRU stats, tweak doxygen configs a bit.
Add FALRU stats, tweak doxygen configs a bit.

Doxyfile:
    Remove directories from root exclude list that are covered in the pattern list.
Doxyfile:
    Change default Alpha index columns to 3 since it looks better in the browser.

--HG--
extra : convert_revision : 2d5733bf01e9abf201c0c058f69fbcd57e12ad3b

cancro7/gem5,markoshorro/gem5,SanchayanMaity/gem5,austinharris/gem5-riscv,gem5/gem5,SanchayanMaity/gem5,powerjg/gem5-ci-test,markoshorro/gem5,HwisooSo/gemV-update,powerjg/gem5-ci-test,samueldotj/TeeRISC-Simulator,rjschof/gem5,cancro7/gem5,joerocklin/gem5,aclifton/cpeg853-gem5,briancoutinho0905/2dsampling,Weil0ng/gem5,markoshorro/gem5,Weil0ng/gem5,samueldotj/TeeRISC-Simulator,SanchayanMaity/gem5,austinharris/gem5-riscv,briancoutinho0905/2dsampling,briancoutinho0905/2dsampling,TUD-OS/gem5-dtu,HwisooSo/gemV-update,TUD-OS/gem5-dtu,joerocklin/gem5,SanchayanMaity/gem5,markoshorro/gem5,sobercoder/gem5,TUD-OS/gem5-dtu,qizenguf/MLC-STT,sobercoder/gem5,samueldotj/TeeRISC-Simulator,cancro7/gem5,Weil0ng/gem5,sobercoder/gem5,kaiyuanl/gem5,briancoutinho0905/2dsampling,KuroeKurose/gem5,aclifton/cpeg853-gem5,powerjg/gem5-ci-test,markoshorro/gem5,cancro7/gem5,kaiyuanl/gem5,powerjg/gem5-ci-test,briancoutinho0905/2dsampling,yb-kim/gemV,zlfben/gem5,joerocklin/gem5,KuroeKurose/gem5,cancro7/gem5,TUD-OS/gem5-dtu,rjschof/gem5,aclifton/cpeg853-gem5,zlfben/gem5,yb-kim/gemV,joerocklin/gem5,joerocklin/gem5,sobercoder/gem5,KuroeKurose/gem5,rallylee/gem5,KuroeKurose/gem5,Weil0ng/gem5,austinharris/gem5-riscv,joerocklin/gem5,TUD-OS/gem5-dtu,HwisooSo/gemV-update,austinharris/gem5-riscv,austinharris/gem5-riscv,gem5/gem5,rjschof/gem5,sobercoder/gem5,Weil0ng/gem5,zlfben/gem5,HwisooSo/gemV-update,joerocklin/gem5,rjschof/gem5,gem5/gem5,samueldotj/TeeRISC-Simulator,gem5/gem5,samueldotj/TeeRISC-Simulator,gedare/gem5,rallylee/gem5,powerjg/gem5-ci-test,cancro7/gem5,qizenguf/MLC-STT,KuroeKurose/gem5,KuroeKurose/gem5,kaiyuanl/gem5,gedare/gem5,yb-kim/gemV,sobercoder/gem5,rjschof/gem5,yb-kim/gemV,powerjg/gem5-ci-test,markoshorro/gem5,aclifton/cpeg853-gem5,gem5/gem5,gedare/gem5,samueldotj/TeeRISC-Simulator,aclifton/cpeg853-gem5,sobercoder/gem5,yb-kim/gemV,HwisooSo/gemV-update,powerjg/gem5-ci-test,rallylee/gem5,briancoutinho0905/2dsampling,rallylee/gem5,qizenguf/MLC-STT,rallylee/gem5,qizenguf/MLC-STT,gedare/gem5,zlfben/gem5,rallylee/gem5,yb-kim/gemV,TUD-OS/gem5-dtu,gedare/gem5,zlfben/gem5,HwisooSo/gemV-update,kaiyuanl/gem5,cancro7/gem5,joerocklin/gem5,aclifton/cpeg853-gem5,SanchayanMaity/gem5,austinharris/gem5-riscv,gedare/gem5,zlfben/gem5,rallylee/gem5,yb-kim/gemV,kaiyuanl/gem5,qizenguf/MLC-STT,TUD-OS/gem5-dtu,SanchayanMaity/gem5,kaiyuanl/gem5,gem5/gem5,Weil0ng/gem5,rjschof/gem5,rjschof/gem5,KuroeKurose/gem5,austinharris/gem5-riscv,zlfben/gem5,yb-kim/gemV,qizenguf/MLC-STT,SanchayanMaity/gem5,Weil0ng/gem5,markoshorro/gem5,samueldotj/TeeRISC-Simulator,gem5/gem5,aclifton/cpeg853-gem5,HwisooSo/gemV-update,gedare/gem5,briancoutinho0905/2dsampling,qizenguf/MLC-STT,kaiyuanl/gem5