cleaned up couchdb migration and upgrade notes

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diff --git a/pages/docs/platform/tutorials/upgrading.md b/pages/docs/platform/tutorials/upgrading.md
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-@title = 'Upgrading'
-@nav_title = 'Upgrading'
-@summary = "Upgrading the platform and the OS"
-@toc = true
-
-
-Upgrading the platform
-======================
-
-From 0.7.1 to 0.8
-=================
-
-Next to other changesm 0.8 introduces several major changes that need do get taken into account while upgrading:
-
-- Dropping Debian Wheezy support. You need to upgrade your nodes to jessie before deploying a platform upgrade.
-- Dropping Bigcouch support. LEAP Platform now requires couchdb and therefore you need to migrate from bigcouch to couchdb.
-
-Here's how to upgrade from wheezy nodes running bigcouch to jessie nodes using couchdb:
-
-- Follow https://leap.se/en/docs/platform/services/couchdb#migrating-from-bigcouch-to-plain-couchdb, but only until the step where you removed bigouch.
-
-- Now upgrade to jessie (see the Howto below)
-
-- Continue with https://leap.se/en/docs/platform/services/couchdb#migrating-from-bigcouch-to-plain-couchdb at the point where you stopped for the first step, and deploy to the couchdb node.
-
-
-Upgrading the operating system
-==============================
-
-From Debian Wheezy to Jessie
-----------------------------
-
-There are the [Debian release notes on how to upgrade from wheezy to jessie](https://www.debian.org/releases/stable/amd64/release-notes/ch-upgrading.html).
-He're the steps that worked for us, but please keep in mind that this is not a bullet-prove documentation, so use it on your own risk:
-
-    screen
-    script -t 2>~/leap_upgrade-jessiestep.time -a ~/upgrade-jessiestep.script
-
-    apt-get autoremove
-    apt-get update
-    DEBIAN_FRONTEND=noninteractive apt-get -y -o DPkg::Options::=--force-confold dist-upgrade
- 
-    dpkg --audit
-    dpkg --get-selections | grep 'hold$'
-    # if anything is held, you need to resolve it before continuing.
-
-    apt-get clean
-
-    # switch sources to jessie
-    sed -i 's/wheezy/jessie/g' /etc/apt/sources.list
-    echo "deb http://deb.leap.se/0.8 jessie main" > /etc/apt/sources.list.d/leap.list
-
-    # remove pinnings to wheezy
-    rm /etc/apt/preferences
-
-    apt-get update
-
-    # test there is enough space for the upgrade
-    apt-get -o APT::Get::Trivial-Only=true dist-upgrade
-
-    # do first stage upgrade
-    DEBIAN_FRONTEND=noninteractive apt-get -y -o DPkg::Options::=--force-confold upgrade
-
-    # repeat dist-upgrade until it makes no more changes:
-    DEBIAN_FRONTEND=noninteractive apt-get -y -o DPkg::Options::=--force-confold dist-upgrade
-
-    # resolve any apt issues if there are some
-    apt-get -f install
-
-    reboot
-
-
-
-
-
-
-
-
-### Issues
-
-- Failure restarting some services for OpenSSL upgrade
-
-If you get this warning:
-
-    The following services could not be restarted for the OpenSSL library upgrade:
-      postfix
-    You will need to start these manually by running '/etc/init.d/<service> start'.
-
-Just ignore it, it should be fixed on reboot/deploy.
-