Use Compat for new Dict syntax

Author: jiahao

REQUIRE

@@ -1,2 +1,3 @@
 julia 0.3
+Compat
 Polynomial

src/Combinatorics.jl

@@ -1,6 +1,6 @@
 module Combinatorics
 
-using Polynomial
+using Compat, Polynomial
 
 export  bell,
         catalan,

src/youngdiagrams.jl

@@ -154,7 +154,7 @@ end
 #    Journal of Symbolic Computation, vol. 37 iss. 6 (2004), pp 727-748.
 #    doi:10.1016/j.jsc.2003.11.001
 function character(λ::Partition, μ::Partition)
-    T = Dict{Any,Any}(()=>0) #Sparse array implemented as dict
+    T = @compat Dict{Any,Any}(()=>0) #Sparse array implemented as dict
     Λ▔ = partitionsequence(λ)
     MN1inner(Λ▔, T, μ, 1)
 end