Update version to 0.8

Author: Roman Kozachenko

scripts/mac-prereqs.sh

@@ -4,7 +4,7 @@ set -ev
 
 brew update
 brew install openssl jq
-brew install tarantool --HEAD
+brew install tarantool
 brew install redis
 
 mkdir -p /usr/local/lib

src/progaudi.tarantool/progaudi.tarantool.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <PatchLevelVersion Condition=" '$(BuildNumber)' == '' ">0</PatchLevelVersion>
     <PatchLevelVersion Condition=" '$(BuildNumber)' != '' ">$(BuildNumber).1-prerelease</PatchLevelVersion>
-    <Version>0.7.$(PatchLevelVersion)</Version>
+    <Version>0.8.$(PatchLevelVersion)</Version>
 
     <Description>Tarantool low-level client Library</Description>
     <TargetFrameworks>net46;netstandard1.4</TargetFrameworks>