Move contributors and backers to credits section

AUTHORS.md

@@ -170,3 +170,48 @@
 * Tom Forbes ([@orf](https://github.com/orf))
 * Xie Yanbo ([@xyb](https://github.com/xyb))
 * Maxim Ivanov ([@ivanovmg](https://github.com/ivanovmg))
+
+## Backers
+
+We would like to thank the following people for supporting us in our efforts to maintain and improve Cookiecutter:
+
+* Alex DeBrie
+* Alexandre Y. Harano
+* Bruno Alla
+* Carol Willing
+* Russell Keith-Magee
+
+## Sprint Contributors
+
+### PyCon 2016 Sprint
+
+The following people made contributions to the cookiecutter project
+at the PyCon sprints in Portland, OR from June 2-5 2016.
+Contributions include user testing, debugging, improving documentation,
+reviewing issues, writing tutorials, creating and updating project
+templates, and teaching each other.
+
+* Adam Chainz ([@adamchainz](https://github.com/adamchainz))
+* Andrew Ittner ([@tephyr](https://github.com/tephyr))
+* Audrey Roy Greenfeld ([@audreyr](https://github.com/audreyr))
+* Carol Willing ([@willingc](https://github.com/willingc))
+* Christopher Clarke ([@chrisdev](https://github.com/chrisdev))
+* Citlalli Murillo ([@citmusa](https://github.com/citmusa))
+* Daniel Roy Greenfeld ([@pydanny](https://github.com/pydanny))
+* Diane DeMers Chen ([@purplediane](https://github.com/purplediane))
+* Elaine Wong ([@elainewong`](https://github.com/elainewong))
+* Elias Dorneles ([@eliasdorneles](https://github.com/eliasdorneles))
+* Emily Cain ([@emcain](https://github.com/emcain))
+* John Roa ([@jhonjairoroa87](https://github.com/jhonjairoroa87))
+* Jonan Scheffler ([@1337807](https://github.com/1337807))
+* Phoebe Bauer ([@phoebebauer](https://github.com/phoebebauer))
+* Kartik Sundararajan ([@skarbot](https://github.com/skarbot))
+* Katia Lira ([@katialira](https://github.com/katialira))
+* Leonardo Jimenez ([@xpostudio4](https://github.com/xpostudio4))
+* Lindsay Slazakowski ([@lslaz1](https://github.com/lslaz1))
+* Meghan Heintz ([@dot2dotseurat](https://github.com/dot2dotseurat))
+* Raphael Pierzina ([@hackebrot](https://github.com/hackebrot))
+* Umair Ashraf ([@umrashrf](https://github.com/umrashrf))
+* Valdir Stumm Junior ([@stummjr](https://github.com/stummjr))
+* Vivian Guillen ([@viviangb](https://github.com/viviangb))
+* Zaro ([@zaro0508](https://github.com/zaro0508))

docs/index.rst

@@ -42,10 +42,8 @@ Project Info
 
    CONTRIBUTING
    AUTHORS
-   sprint-contributors
    HISTORY
    case_studies
-   BACKERS
    CODE_OF_CONDUCT
 
 Index