Properly format markdown code blocks

The YAML configuration examples were being parsed as markdown, which
resulted in poorly formatted documents.

Also convert tempest element README file to markdown for consistency.

Change-Id: Id6def1c8bcb86e37f10a74bf85361a9da0d151b6
Closes-Bug: 1328304

elements/glance/README.md

@@ -2,6 +2,7 @@ Install and configure Glance.
 
 Configuration
 -------------
+
     glance:
         db: mysql://glance:unset@localhost/glance
           - SQLAlchemy database connection string

elements/postfix/README.md

@@ -6,17 +6,18 @@ Sets default install type to local-only so we dont spam anyone. This can be
 overwritten with the DIB_POSTFIX_INSTALL_TYPE environmental variable.
 
 Valid options for DIB_POSTFIX_INSTALL_TYPE are:
-    Local only
-    Internet Site
-    Internet with smarthost
-    Satellite system
+* Local only
+* Internet Site
+* Internet with smarthost
+* Satellite system
 
 Set postfix hostname and domain via heat:
+
     postfix:
       mailhostname: mail
       maildomain: example.com
       delay_warning_time: 4h
       relayhost: smtp.example.com
 
-*NOTE: mailhostname and maildomain must match the system hostname in order to
+**NOTE**: mailhostname and maildomain must match the system hostname in order to
 ensure local mail delivery will work.

elements/qpidd/README.md

@@ -23,6 +23,7 @@ to be updated. Substitute "rabbit" with "qpid".
     sed -i "s/rabbit/qpid/" $TRIPLEO_ROOT/tripleo-image-elements/elements/seed-stack-config/config.json
 
 After including the username, the qpid section should look like
+
     "qpid": {
       "host": "127.0.0.1",
       "username": "guest",
@@ -36,6 +37,7 @@ with "qpid:".
     sed -i "s/rabbit:/qpid:/" $TRIPLEO_ROOT/tripleo-heat-templates/undercloud-vm.yaml
 
 After including the username, the qpid section should look like
+
     qpid:
       host: 127.0.0.1
       username: guest
@@ -48,6 +50,7 @@ with "qpid:".
     sed -i "s/rabbit:/qpid:/" $TRIPLEO_ROOT/tripleo-heat-templates/overcloud.yaml
 
 After including the username, the qpid section(s) should look like
+
     qpid:
       host:
         Fn::GetAtt:

elements/snmpd/README.md

@@ -16,6 +16,7 @@ Grants snmp user password-less sudo access to lsof, so that the per process
 check works correctly.
 
 Options should be provided via heat. For example:
+
     snmpd:
         export_MIB: UCD-SNMP-MIB
         readonly_user_name: RoUser

elements/swift-proxy/README.md

@@ -2,6 +2,7 @@ Swift element for installing a swift proxy server
 
 Configuration
 -------------
+
     swift:
         service-password: PASSWORD
           - The service password for the swift user

elements/swift/README.md

@@ -2,6 +2,7 @@ Common element for swift elements
 
 Configuration
 -------------
+
     swift:
         devices: r1z<zone number>-192.0.2.6:%PORT%/d1
           - A comma separated list of swift storage devices to place in the ring

elements/sysctl/README.md

@@ -26,6 +26,7 @@ will take care of applying these settings during configuration time.
 
 Configuration example
 ---------------------
+
     sysctl:
         net.ipv4.conf.all.arp_filter: 1
         net.ipv4.conf.all.arp_ignore: 2

elements/tempest/README

@@ -1,16 +0,0 @@
-Add the tempest cloud test suite to an image.
-
-The purpose of this element is to run tempest as a gate for tripleo based ci.
-
-To successfully run tempest your overcloud should have
- o Nodes with at least 4G of memory and 20G of diskspace
- o the following services should be running
-   cinder, glance, heat, keystone, neutron, nova and swift
-
-To use you should simply run the command run-tempest with the
-OS_* environment variables for admin defined.
-
-TODO:
- o Remove as many of the filters in tests2skip.txt as possible
- o Investigate setting allow_tenant_isolation to true
- o Investigate setting run_ssh to true

elements/tempest/README.md

@@ -0,0 +1,16 @@
+Add the tempest cloud test suite to an image.
+
+The purpose of this element is to run tempest as a gate for tripleo based ci.
+
+To successfully run tempest your overcloud should have
+* Nodes with at least 4G of memory and 20G of diskspace
+* the following services should be running
+  cinder, glance, heat, keystone, neutron, nova and swift
+
+To use you should simply run the command run-tempest with the
+OS_* environment variables for admin defined.
+
+TODO:
+* Remove as many of the filters in tests2skip.txt as possible
+* Investigate setting allow_tenant_isolation to true
+* Investigate setting run_ssh to true