moved some dependencies around

Author: sbromberger

src/LightGraphs.jl

@@ -6,7 +6,9 @@ using GZip
 using StatsBase
 using Base.Collections
 using LightXML
-using ParserCombinator.Parsers.GML
+using ParserCombinator
+using ParserCombinator.Parsers
+
 
 if VERSION < v"0.4.0-dev"
     try

src/persistence.jl

@@ -9,8 +9,6 @@
 # header followed by a list of (comma-delimited) edges - src,dst.
 # Multiple graphs may be present in one file.
 
-using ParserCombinator
-using ParserCombinator.Parsers
 
 function _read_one_graph(f::IO, n_v::Integer, n_e::Integer, directed::Bool)
     readedges = Set{@compat Tuple{Int,Int}}()
@@ -191,7 +189,7 @@ end
 Can optionally restrict to a single graph by specifying a name in gname."""
 function readgml(filename::AbstractString, gname::AbstractString="")
     f = open(readall,filename)
-    p = parse_dict(f)
+    p = Parsers.GML.parse_dict(f)
     graphs = @compat(Dict{AbstractString, SimpleGraph}())
     for gs in p[:graph]