Add up to date instructions in case LFE is missing

src/rebar_lfe_compiler.erl

@@ -48,13 +48,17 @@ compile(Config, _AppFile) ->
 compile_lfe(Source, Target, Config) ->
     case code:which(lfe_comp) of
         non_existing ->
-            ?CONSOLE(
-               <<"~n===============================================~n"
-                 " You need to install LFE to compile LFE source files~n"
-                 "Download the latest tarball release from github~n"
-                 "   https://github.com/rvirding/lfe/downloads~n"
-                 "  and install it into your erlang library dir~n"
-                 "===============================================~n~n">>, []),
+            ?CONSOLE(<<
+                       "~n"
+                       "*** MISSING LFE COMPILER ***~n"
+                       "  You must do one of the following:~n"
+                       "    a) Install LFE globally in your erl libs~n"
+                       "    b) Add LFE as a dep for your project, eg:~n"
+                       "       {lfe, \"0.6.1\",~n"
+                       "        {git, \"git://github.com/rvirding/lfe\",~n"
+                       "         {tag, \"v0.6.1\"}}}~n"
+                       "~n"
+                     >>, []),
             ?FAIL;
         _ ->
             Opts = [{i, "include"}, {outdir, "ebin"}, report, return] ++