Update/Add fission-core & fission-all helm charts (#239)

Improve fission helm chart; split it into "fission core" and "fission all". fission-core is the minimal install, and fission-all will have all the bells and whistles.

* Update/Add fission-core & fission-all helm charts
* Fix incompatible types for comparison
* Add message queue trigger
* Rename openshiftRBAC to openshift
* Update documentation & comments
* Fix logger & kubewatcher failed to access kubernetes resource due to RBAC

charts/fission-all/.helmignore

@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj