spidermonkey_185: enable threads and tests by default

Also drop redundant autoconf.
spidermonkey_185: drop unused readline, parallel build
mesa: bugfix update 9.2.3 -> .4
GJS error
solved the gobject error message
broken patch
cjs is working with the new mozjs185
merge #1309: add cjs -- JavaScript bindings for cinnamon

I also fixed whitespace around.