added svg in pyplot; deprecate qwt; writemime backup for html

Author: tbreloff

src/backends/pyplot.jl

@@ -869,7 +869,7 @@ const _pyplot_mimeformats = @compat Dict(
     "application/pdf"         => "pdf",
     "image/png"               => "png",
     "application/postscript"  => "ps",
-    # "image/svg+xml"           => "svg"
+    "image/svg+xml"           => "svg"
   )
 
 
@@ -888,6 +888,7 @@ for (mime, fmt) in _pyplot_mimeformats
   end
 end
 
+
 # function Base.writemime(io::IO, m::MIME"image/png", subplt::Subplot{PyPlotPackage})
 #   finalizePlot(subplt)
 #   writemime(io, m, getfig(subplt.o))

src/backends/qwt.jl

@@ -3,6 +3,7 @@
 
 function _initialize_backend(::QwtPackage; kw...)
   @eval begin
+    warn("Qwt is no longer supported... many features will likely be broken.")
     import Qwt
     export Qwt
   end

src/output.jl

@@ -112,3 +112,8 @@ gui(plt::PlottingObject = current()) = display(PlotsDisplay(), plt)
 
 # override the REPL display to open a gui window
 Base.display(::Base.REPL.REPLDisplay, ::MIME"text/plain", plt::PlottingObject) = gui(plt)
+
+# a backup for html... passes to svg
+function Base.writemime(io::IO, ::MIME"text/html", plt::PlottingObject)
+  writemime(io, MIME("image/svg+xml"), plt)
+end