AppManager: cache helm charts and container images to local registry

Caching container images is disabled until we figure out how to run
container registry behind TLS.

Change-Id: I0253f2a862e5adddff18a82b102f67258151c070
diff --git a/core/installer/go.sum b/core/installer/go.sum
index 21eb60a..e0033a2 100644
--- a/core/installer/go.sum
+++ b/core/installer/go.sum
@@ -122,6 +122,12 @@
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@@ -310,10 +316,10 @@
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@@ -456,8 +462,8 @@
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@@ -556,20 +562,20 @@
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@@ -580,6 +586,8 @@
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