implemented jsonmunge, add vcard2json to build process

Author: rsdoiel

cmds/jsonmunge/jsonmunge.go

@@ -41,7 +41,7 @@ or filter for specific content.
 	examples = `
 EXAMPLES
 
-If data.json contained
+If person.json contained
 
    {"name": "Doe, Jane", "email":"[email protected]", "age": 42}
 
@@ -51,7 +51,7 @@ and the template, name.tmpl, contained
 
 Getting just the name could be done with
 
-    cat data.json | %s name.tmpl
+    cat person.json | %s name.tmpl
 
 This would yeild
 

demos/name.tmpl

@@ -0,0 +1 @@
+{{- .name -}}

demos/person.json

@@ -0,0 +1 @@
+{"name": "Doe, Jane", "email":"[email protected]", "age": 42}