Pass correctly commands to docker command for travis

.travis.yml

@@ -5,4 +5,4 @@ before_install:
   - docker pull yglukhov/nim-base
 script:
   - docker run yglukhov/nim-base nim --version
-  - docker run -v "$(pwd):/project" -w /project yglukhov/nim-base nimble install -y && ./tests/build_travis.sh && ./tests/test.sh
+  - docker run -v "$(pwd):/project" -w /project yglukhov/nim-base /bin/bash -c "nimble install -y && ./tests/build_test.sh && ./tests/test.sh"

README.md

@@ -1,5 +1,7 @@
 # Nimbus
 
-An Ethereum 2.0 Sharding Client for Resource-Restricted Devices.
+An Ethereum 2.0 Sharding Client for Resource-Restricted Devices
+
+Rationale
 
 https://docs.google.com/document/d/14u65XVNLOd83cq3t7wNC9UPweZ6kPWvmXwRTWWn0diQ/edit#

tests/build_travis.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-export PATH=$PATH:/nim/bin/nim
-"$(dirname -- "$0")/build_test.sh"
-