Pull musl submodule, complete script refactor and update readme

waterbox/libcxx/configure-for-waterbox-phase--

@@ -2,11 +2,6 @@
 MYPATH="`dirname \"$0\"`"
 SYSROOT="`realpath \"$MYPATH/../sysroot\"`"
 LLVMDIR="`realpath \"$MYPATH/../llvm-project\"`"
-
-#To uselibclang-rt (and libunwind), we need to evict the gcc libs, but musl automatically puts that in the specs file
-#and has no setting to remove it.  Fix that here.
-sed -i -e '13c\' -e '' "$SYSROOT/lib/musl-gcc.specs"
-
 rm -rf build-
 mkdir build-
 cd build-

waterbox/musl

@@ -1 +1 @@
-Subproject commit 54ef017c4e0faa8515e32612fa5c7a99716c39e8
+Subproject commit 76d5e7a4b0745e94fc5868f0485a5a3a963678f3

waterbox/readme.txt

@@ -31,8 +31,8 @@ It consists of a modified musl libc, and build scripts to tie it all together.
 
 4. Build libraries.
 	cd musl
-	./configure-for-waterbox
-	make -j install
+	./wbox_configure.sh
+	./wbox_build.sh
 	cd ../emulibc
 	make
 	cd ../libco