Merge pull request #5170 from ethereum/minorFixes

Minor fixes

docs/control-structures.rst

@@ -279,7 +279,7 @@ groupings of expressions.
 
 ::
 
-    pragma solidity >0.4.23 <0.5.0;
+    pragma solidity >0.4.23 <0.6.0;
 
     contract C {
         uint[] data;

docs/frequently-asked-questions.rst

@@ -173,7 +173,7 @@ situation.
 
 If you do not want to throw, you can return a pair::
 
-    pragma solidity >0.4.23 <0.5.0;
+    pragma solidity >0.4.23 <0.6.0;
 
     contract C {
         uint[] counters;

docs/solidity-by-example.rst

@@ -389,7 +389,7 @@ high or low invalid bids.
 
 ::
 
-    pragma solidity >0.4.23 <0.5.0;
+    pragma solidity >0.4.23 <0.6.0;
 
     contract BlindAuction {
         struct Bid {

libsolidity/analysis/SyntaxChecker.cpp

@@ -53,7 +53,7 @@ void SyntaxChecker::endVisit(SourceUnit const& _sourceUnit)
 		SemVerVersion recommendedVersion{string(VersionString)};
 		if (!recommendedVersion.isPrerelease())
 			errorString +=
-				"Consider adding \"pragma solidity ^" +
+				" Consider adding \"pragma solidity ^" +
 				to_string(recommendedVersion.major()) +
 				string(".") +
 				to_string(recommendedVersion.minor()) +