v1.3.2

(#1581) Make benchmark_cold_compile.py work even if it can't fetch
(#1612) Generalize keyword collision to name manipulation, Add {Lower,Upper}CaseNames Transforms
(#1622) Add basic transform benchmarking infrastructure and speed up Resolve Kinds
(#1630) Canonicalize init of regs with zero as reset in RemoveReset
(#1632) Fix typo in spec description of 'tail'
(#1633) Don't try deduping the main module of a circuit
(#1637) Add scaladoc for LogicNode and tighten LowForm-only constraint
(#1642) Improve annotation logging
(#1658) Fix/update a few Scaladoc links
(#1660) Add mapString method to ir.Port
(#1661) Revert: Generalize keyword collision to name manipulation, Add {Lower,Upper}CaseNames Transforms
(#1663) Limit recursion (and reduce total work) in CheckWidths
(#1667) [1.3.x] Bump Mima check to 1.3.1
(#1674) Speed up ExpandWhens for very large designs
(#1677) Use Travis Workspaces
(#1682) Find Heap Bound, Refactor benchmark_code_compile.py to have job running utility
(#1684) Build ArrayBuffers in Block.mapStmt
(#1688) delete usages of toSet for determinism
(#1705) Set prerequisite of -X high to MinimalHighForm
(#1709) Add support for ValidIf to ProtoBuf [de]serialization
(#1715) Don't Dedup modules if it would change semantics