turn sudo off in travis

.travis.yml

@@ -1,5 +1,7 @@
 language: cpp
 
+sudo: false
+
 compiler:
   - gcc
   - clang
@@ -8,6 +10,7 @@ branches:
   only:
     - master
     - coverity_scan
+    - travis
 
 env:
   global:
@@ -15,11 +18,6 @@ env:
    #   via the "travis encrypt" command using the project repo's public key
    - secure: "KuAAwjiIqkk4vqSX/M3ZZIvQs6edm+tV8IADiklTUYZIFyxu8FgZ6RbDdMD2sef5bNZA1OZhlcbeRtiKff5CfMtvzc607Lg3NUkpi+ShMynWgqS/e0uCMf9ogEJlUiZMxf4juBi7v6DyMl/WV6pAdJmdfHtzcj8GF2mgTfQjkO8="
 
-before_install:
-  - echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca
-  #  - sudo apt-get update -qq
-  #- sudo apt-get install -qq cmake libfuse-dev libgettextpo-dev
-
 install:
   - if [ "$CXX" = "g++" ]; then export CXX="g++-4.8" CC="gcc-4.8"; fi
 
@@ -41,6 +39,7 @@ addons:
     build_command_prepend: "cd build && make clean"
     build_command:   "make -j 4"
     branch_pattern: coverity_scan
+
   apt:
     sources:
       - ubuntu-toolchain-r-test