Remove cryptobox-c which got its own repository.

.gitignore

@@ -1,7 +1,6 @@
 target
 test/target
 Cargo.lock
-!cryptobox-c/Cargo.lock
 *.swp
 *.swo
 tags

.travis.yml

@@ -1,13 +1,7 @@
 language: rust
 rust: nightly
 
-before_install:
-    - sudo apt-get update -qq
-
-install:
-    - sudo apt-get install -y valgrind
-    - wget "https://github.com/jedisct1/libsodium/releases/download/1.0.3/libsodium-1.0.3.tar.gz"
-    - tar -xzf libsodium-1.0.3.tar.gz
-    - cd libsodium-1.0.3 && ./configure --prefix=/usr && make && sudo make install && cd ..
-
-script: cd cryptobox-c && make test
+before_script:
+    - wget "https://github.com/jedisct1/libsodium/releases/download/1.0.6/libsodium-1.0.6.tar.gz"
+    - tar -xzvf libsodium-1.0.6.tar.gz
+    - cd libsodium-1.0.6 && ./configure --prefix=/usr && make && sudo make install

README.md

@@ -1,10 +1,10 @@
-# Cryptobox [![Build Status](https://travis-ci.org/shared-secret/cryptobox.svg?branch=develop)](https://travis-ci.org/shared-secret/cryptobox)
+# Cryptobox
 
-`Cryptobox` provides a high-level API with persistent storage for the
-[proteus](https://github.com/shared-secret/proteus) implementation of the
-[axolotl](https://github.com/trevp/axolotl/wiki) protocol.
+[![Build Status](https://travis-ci.org/shared-secret/cryptobox.svg?branch=develop)][1]
 
-## Modules
+Cryptobox provides a high-level API with persistent storage for the
+[proteus][2] implementation of the [axolotl][3] protocol.
 
-  * [cryptobox](cryptobox): Rust API
-  * [cryptobox-c](cryptobox-c/README.md): C API
+[1]: https://travis-ci.org/shared-secret/cryptobox
+[2]: https://github.com/shared-secret/proteus
+[3]: https://github.com/trevp/axolotl/wiki