AWS: Fixed compacting script of cloud init for MacOS

In MacOS there is error during setup a new cluster: ``` + sed -i -e 's/^[[:blank:]]*#.*$//' -e '/^[[:blank:]]*$/d' /sometmpfile sed: -e: No such file or directory ``` Because sed version of MacOS does not support modern features.

AWS: Fixed compacting script of cloud init for MacOS
2272de1f · Michael Nikitochkin · 90333114 · 2272de1f
Commit 2272de1f authored Dec 16, 2015 by Michael Nikitochkin
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util.sh cluster/aws/util.sh +3 -2

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--- a/cluster/aws/util.sh
+++ b/cluster/aws/util.sh
@@ -895,8 +895,9 @@ function start-master() {

  # We're running right up against the 16KB limit
  # Remove all comment lines and then put back the bin/bash shebang
-  sed -i -e 's/^[[:blank:]]*#.*$//' -e '/^[[:blank:]]*$/d' "${KUBE_TEMP}/master-user-data"
-  sed -i '1i #! /bin/bash' "${KUBE_TEMP}/master-user-data"
+  cat "${KUBE_TEMP}/master-user-data" | sed -e 's/^[[:blank:]]*#.*$//' | sed -e '/^[[:blank:]]*$/d' > "${KUBE_TEMP}/master-user-data.tmp"
+  echo '#! /bin/bash' | cat - "${KUBE_TEMP}/master-user-data.tmp" > "${KUBE_TEMP}/master-user-data"
+  rm "${KUBE_TEMP}/master-user-data.tmp"

  echo "Starting Master"
  master_id=$($AWS_CMD run-instances \