Create separate build directories based on version (#1591)

* Create separate build directories based on version

* Fix find_unused_asm.sh

* Remove find_unused_asm.sh from Jenkinsfile

* Revert diff.py

* Clarify that gc-eu-mq is not "supported" yet

* Revert xmlcreate.py (to be deleted)

* Remove gc-eu-mq for now

* Add version flags to diff_settings.py and sym_info.py

* --version -> --oot-version

* Fix --oot-version

* Revert adding version flags to tools

* Delete find_unused_asm.sh

* Revert changes to first_diff.py output in tutorial

* Factor out sed usages for spec

docs/tutorial/object_decomp_example.md

@@ -83,7 +83,7 @@ to extract the contents of the object into the new folder, change the spec to us
 beginseg
     name "object_bg"
     romalign 0x1000
-    include "build/baserom/object_bg.o"
+    include "$(BUILD_DIR)/baserom/object_bg.o"
 endseg
 ```
 
@@ -93,7 +93,7 @@ to
 beginseg
     name "object_bg"
     romalign 0x1000
-    include "build/assets/objects/object_bg/object_bg.o"
+    include "$(BUILD_DIR)/assets/objects/object_bg/object_bg.o"
     number 6
 endseg
 ```