StringUtils -> Formatting

REQUIRE

@@ -6,4 +6,3 @@ HDF5
 JLD
 Compat
 DataFrames
-StringUtils

src/postprocess_utils.jl

@@ -7,7 +7,8 @@ using JuliaFEM
 using DataFrames
 using HDF5
 using LightXML
-using StringUtils
+using Formatting
+#using StringUtils # not in metadata
 
 import HDF5: h5read, h5write
 
@@ -68,8 +69,9 @@ end
 
 """ A more appropriate representation for floats in results. """
 function DataFrames.ourshowcompact(io::IO, x::Float64)
-    print(io, u"\% 0.4E(x)")
-    return
+    #print(io, u"\% 0.4E(x)")
+    #return
+    print(io, sprintf1("% 0.4E", x))
 end
 
 """