Revert to old rebar config

frameworks/Erlang/cowboy/rebar.config

@@ -1,7 +1,7 @@
 {deps,
  [
-  {jiffy, ".*", {git, "https://github.com/davisp/jiffy.git", {tag, "0.13.3"}}},
-  {mimetypes, ".*", {git, "http://github.com/spawngrid/mimetypes.git"}},
+  {jiffy, ".*", {git, "https://github.com/davisp/jiffy.git", {tag, "0.8.5"}}},
+  {mimetypes, ".*", {git, "http://github.com/spawngrid/mimetypes.git", {branch, master}}},
   {emysql, ".*", {git, "https://github.com/Eonblast/Emysql.git"}},
-  {cowboy, ".*", {git, "https://github.com/extend/cowboy.git", {tag, "1.0.1"}}}
+  {cowboy, ".*", {git, "https://github.com/extend/cowboy.git", {tag, "0.8.3"}}}
  ]}.

toolset/setup/linux/languages/elixir.sh

@@ -16,4 +16,4 @@ fw_untar v$VERSION
 	make compile
 )
 
-echo "export PATH=$PATH:$IROOT/erlang/bin:$IROOT/elixir/bin" >> $IROOT/elixir.installed
+echo "export PATH=$IROOT/erlang/bin:$IROOT/elixir/bin:$PATH" >> $IROOT/elixir.installed

toolset/setup/linux/languages/erlang.sh

@@ -15,4 +15,4 @@ fw_untar ${OTP_SRC}.tar.gz
 	make install
 )
 
-echo "export PATH=$PATH:$IROOT/erlang/bin" >> $IROOT/erlang.installed
+echo "export PATH=$IROOT/erlang/bin:$PATH" >> $IROOT/erlang.installed