Fix yamlint error

- Focus on indentation error
- Fix broken links in READMD

Change-Id: I37cca10f8d40f89b2b062c2e572772034ddcd09c
diff --git a/jjb/siab.yaml b/jjb/siab.yaml
index 5d04080..7844856 100644
--- a/jjb/siab.yaml
+++ b/jjb/siab.yaml
@@ -58,7 +58,7 @@
     dsl: !include-raw-escape: pipeline/siab.groovy
 
     triggers:
-       - timed: |
+      - timed: |
                  TZ=America/Los_Angeles
                  0 0,3,6,9,12,15,18,21 * * *
 
@@ -108,7 +108,7 @@
     dsl: !include-raw-escape: pipeline/siab.groovy
 
     triggers:
-       - timed: |
+      - timed: |
                  TZ=America/Los_Angeles
                  0 1,4,7,10,13,16,19,22 * * *
 
@@ -158,7 +158,7 @@
     dsl: !include-raw-escape: pipeline/siab.groovy
 
     triggers:
-       - timed: |
+      - timed: |
                  TZ=America/Los_Angeles
                  0 2,5,8,11,14,17,20,23 * * *
 
@@ -190,14 +190,14 @@
 
 
       - string:
-            name: gerritChangeNumber
-            default: '$GERRIT_CHANGE_NUMBER'
-            description: 'Changeset number in Gerrit'
+          name: gerritChangeNumber
+          default: '$GERRIT_CHANGE_NUMBER'
+          description: 'Changeset number in Gerrit'
 
       - string:
-            name: gerritPatchsetNumber
-            default: '$GERRIT_PATCHSET_NUMBER'
-            description: 'PatchSet number in Gerrit'
+          name: gerritPatchsetNumber
+          default: '$GERRIT_PATCHSET_NUMBER'
+          description: 'PatchSet number in Gerrit'
 
       - string:
           name: version