Change core => src directory for Julia's convention of packages

test/simulation/sim_sir_col_buffer_bounded.jl

 
 using MarkovProcesses 
-include(get_module_path() * "/core/_tests_simulate.jl")
+include(get_module_path() * "/src/_tests_simulate.jl")
 using PyPlot
 
 load_model("_bench_perf_test/SIR_col_buffer")

test/simulation/sim_sir_row_buffer_bounded.jl

 
 using MarkovProcesses 
-include(get_module_path() * "/core/_tests_simulate.jl")
+include(get_module_path() * "/src/_tests_simulate.jl")
 using PyPlot
 
 load_model("_bench_perf_test/SIR_row_buffer")

test/unit/distributed_simulation.jl

@@ -6,7 +6,7 @@ using MarkovProcesses
 addprocs(2)
 module_path = get_module_path()
 @everywhere module_path = $module_path
-@everywhere push!(LOAD_PATH, "$(module_path)/core")
+@everywhere push!(LOAD_PATH, "$(module_path)/src")
 @everywhere using MarkovProcesses
 
 test_all = true