Adding rack diagrams.

Change-Id: I175f5d5b2805a461aea6b96c6d45385d8e1226d1
diff --git a/web/gui/src/main/webapp/raw/eulb.foo b/web/gui/src/main/webapp/raw/eulb.foo
new file mode 100644
index 0000000..bccf593
--- /dev/null
+++ b/web/gui/src/main/webapp/raw/eulb.foo
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diff --git a/web/gui/src/main/webapp/raw/pervc.foo b/web/gui/src/main/webapp/raw/pervc.foo
new file mode 100644
index 0000000..807d201
--- /dev/null
+++ b/web/gui/src/main/webapp/raw/pervc.foo
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diff --git a/web/gui/src/main/webapp/raw/ref.foo b/web/gui/src/main/webapp/raw/ref.foo
new file mode 100644
index 0000000..e78af30
--- /dev/null
+++ b/web/gui/src/main/webapp/raw/ref.foo
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