Updated TravisCI (asciidoc)

TravisCI.asciidoc

@@ -1,64 +1 @@
-## Building Nim projects on Travis CI
-
-Building your code on Travis CI is useful to check regressions against the master and devel branches of Nim.
-Same for your code documentation.
-
-Detailed guide, which the following example originates from: +
-http://blaxpirit.com/blog/22/advanced-uses-of-travis-ci-with-nim.html[Advanced uses of Travis CI with Nim]
-
-If you don't want to rebuild the Nim compiler you can instead install the .deb packages listed on https://github.com/nim-lang/Nim/wiki/CircleCI[CircleCI] using https://docs.travis-ci.com/user/installing-dependencies[this config]
-
-[source,yaml]
-----
-# Copied from https://github.com/nim-lang/Nim/wiki/TravisCI
-language: c
-env:
-  # Build and test against the master and devel branches of Nim
-  - BRANCH=master
-  - BRANCH=devel
-compiler:
-  # Build and test using both gcc and clang
-  - gcc
-  - clang
-matrix:
-  allow_failures:
-    # Ignore failures when building against the devel Nim branch
-    - env: BRANCH=devel
-  fast_finish: true
-install:
-  - |
-    if [ ! -x nim-$BRANCH/bin/nim ]; then
-      git clone -b $BRANCH --depth 1 git://github.com/nim-lang/nim nim-$BRANCH/
-      cd nim-$BRANCH
-      git clone --depth 1 git://github.com/nim-lang/csources csources/
-      cd csources
-      sh build.sh
-      cd ..
-      rm -rf csources
-      bin/nim c koch
-      ./koch boot -d:release
-    else
-      cd nim-$BRANCH
-      git fetch origin
-      if ! git merge FETCH_HEAD | grep "Already up-to-date"; then
-        bin/nim c koch
-        ./koch boot -d:release
-      fi
-    fi
-    cd ..
-before_script:
-    - export PATH="nim-$BRANCH/bin${PATH:+:$PATH}"
-script:
-    # Replace uppercase strings!
-    - nim c --cc:$CC --verbosity:0 -r MYFILE.nim
-    # Optional: build docs. 
-    - nim doc --docSeeSrcUrl:https://github.com/AUTHOR/MYPROJECT/blob/master --project MYFILE.nim
-cache:
-  directories:
-    - nim-master
-    - nim-devel
-branches:
-  except:
-    - gh-pages
-
-----
+See https://github.com/nim-lang/Nim/wiki/BuildServices[BuildServices]