Merge pull request #207 from gregolsky/v4.1

dont use libicu52 on ci

Author: gregolsky

.travis.yml

@@ -17,7 +17,7 @@ env:
       RAVENDB_BUILD_TYPE="nightly"
 before_install:
   - travis_retry sudo apt-get -qq update
-  - travis_retry sudo apt-get install -y libunwind8 wget libicu52 libssl-dev curl unzip gettext libcurl4-openssl-dev zlib1g uuid-dev bzip2 openssl
+  - travis_retry sudo apt-get install -y libunwind8 wget libssl-dev curl unzip gettext libcurl4-openssl-dev zlib1g uuid-dev bzip2 openssl
   - travis_retry wget -O RavenDB.tar.bz2 "https://hibernatingrhinos.com/downloads/RavenDB%20for%20Linux%20x64/latest?buildType=$RAVENDB_BUILD_TYPE&version=$RAVENDB_SERVER_VERSION" 
   - tar xjf RavenDB.tar.bz2
   - mkdir certs; pushd certs