Update links to point to main branch (#12)

diff --git a/phrasecount/README.md b/phrasecount/README.md
index 2f60822..dc0ae7f 100644
--- a/phrasecount/README.md
+++ b/phrasecount/README.md
@@ -17,8 +17,6 @@
 
 # Phrase Count
 
-[![Build Status](https://travis-ci.org/astralway/phrasecount.svg?branch=master)](https://travis-ci.org/astralway/phrasecount)
-
 An example application that computes phrase counts for unique documents using Apache Fluo. Each
 unique document that is added causes phrase counts to be incremented. Unique documents have
 reference counts based on the number of locations that point to them. When a unique document is no
diff --git a/stresso/README.md b/stresso/README.md
index af45b6b..13e586c 100644
--- a/stresso/README.md
+++ b/stresso/README.md
@@ -17,8 +17,6 @@
 
 # Stresso
 
-[![Build Status](https://travis-ci.org/astralway/stresso.svg?branch=master)](https://travis-ci.org/astralway/stresso)
-
 An example application designed to stress Apache Fluo.  This Fluo application computes the
 number of unique integers through the process of building a bitwise trie.  New numbers
 are added to the trie as leaf nodes.  Observers watch all nodes in the trie to create
diff --git a/webindex/README.md b/webindex/README.md
index 9d874e8..2abca1d 100644
--- a/webindex/README.md
+++ b/webindex/README.md
@@ -17,7 +17,6 @@
 
 ![Webindex][logo]
 ---
-[![Build Status][ti]][tl] [![Apache License][li]][ll]
 
 Webindex is an example [Apache Fluo][fluo] application that incrementally indexes links to web pages
 in multiple ways. If you are new to Fluo, you may want start with the [Fluo tour][tour] as the
@@ -85,9 +84,5 @@
 [Uno]: https://github.com/astralway/uno
 [cc]: https://commoncrawl.org/
 [install]: docs/install.md
-[ti]: https://travis-ci.org/astralway/webindex.svg?branch=master
-[tl]: https://travis-ci.org/astralway/webindex
-[li]: http://img.shields.io/badge/license-ASL-blue.svg
-[ll]: https://github.com/astralway/webindex/blob/master/LICENSE
 [logo]: contrib/webindex.png
 [bp]: https://fluo.apache.org/blog/2016/01/11/webindex-long-run/#videos-from-run
diff --git a/webindex/docs/install.md b/webindex/docs/install.md
index 207fa41..3209a1b 100644
--- a/webindex/docs/install.md
+++ b/webindex/docs/install.md
@@ -138,5 +138,5 @@
 The UI queries indexes stored in Accumulo that were exported by Fluo.
 
 [Uno]: https://github.com/astralway/uno
-[transient]: https://github.com/apache/fluo-recipes/blob/master/docs/transient.md
+[transient]: https://github.com/apache/fluo-recipes/blob/main/docs/transient.md
 [cdata]: https://commoncrawl.org/the-data/get-started/