putTest.xml

<?xml version="1.0" encoding="UTF-8"?>
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
       http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
       http://camel.apache.org/schema/blueprint http://camel.apache.org/schema/blueprint/camel-blueprint.xsd">

  <!-- component-wide configuration of fcrepo -->
  <bean id="fcrepo" class="org.fcrepo.camel.FcrepoComponent">
    <property name="authUsername" value="fedoraAdmin"/>
    <property name="authPassword" value="secret3"/>
  </bean>

  <camelContext id="putTest" xmlns="http://camel.apache.org/schema/blueprint">
    <route id="putFile">
      <from uri="file:/home/vagrant/watch"/>
      <removeHeaders pattern="*"/>
      <setHeader headerName="CamelHttpMethod"><constant>PUT</constant></setHeader>
      <setHeader headerName="Content-Type"><constant>image/png</constant></setHeader>
      <to uri="fcrepo:localhost:8080/fcrepo/rest/watchedFile"/>
    </route>
  </camelContext>

</blueprint>

on line 14 you might want the servlet context to be fcrepo and not frepo

facepalms