rootdev: rework the repo into a "new eclass"-friendly layout

* Move all files from files/ to .
* Fix LICENCE symlink
* Create files -> . symlink to remain backwards compatible

Review URL: http://codereview.chromium.org/2847007
diff --git a/files/COPYING b/COPYING
similarity index 100%
rename from files/COPYING
rename to COPYING
diff --git a/LICENCE b/LICENCE
new file mode 120000
index 0000000..d24842f
--- /dev/null
+++ b/LICENCE
@@ -0,0 +1 @@
+COPYING
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
deleted file mode 120000
index d7878c2..0000000
--- a/LICENSE
+++ /dev/null
@@ -1 +0,0 @@
-files/COPYING
\ No newline at end of file
diff --git a/files/Makefile b/Makefile
similarity index 100%
rename from files/Makefile
rename to Makefile
diff --git a/files b/files
new file mode 120000
index 0000000..945c9b4
--- /dev/null
+++ b/files
@@ -0,0 +1 @@
+.
\ No newline at end of file
diff --git a/files/rootdev.c b/rootdev.c
similarity index 100%
rename from files/rootdev.c
rename to rootdev.c