CppTools: Move QtVersion and BuildTargetType

QtVersion to utils/cpplanguage_details.h which already contains similar
flags.

BuildTargetType to ProjectExplorer, next to BuildTargetInfo (but not in the
same header to not pull that in everywhere).

Removes dependency on ProjectPart from RawProjectPart.

Change-Id: I5791065e4266f20c2657ee4b1b594df04b238a1c
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/cpptools/projectpart.h

@@ -29,6 +29,7 @@
 
 #include "cppprojectfile.h"
 
+#include <projectexplorer/buildtargettype.h>
 #include <projectexplorer/headerpath.h>
 #include <projectexplorer/projectexplorer_global.h>
 #include <projectexplorer/projectmacro.h>
@@ -53,24 +54,11 @@ namespace CppTools {
 class CPPTOOLS_EXPORT ProjectPart
 {
 public:
-    enum QtVersion {
-        UnknownQt = -1,
-        NoQt,
-        Qt4,
-        Qt5
-    };
-
     enum ToolChainWordWidth {
         WordWidth32Bit,
         WordWidth64Bit,
     };
 
-    enum BuildTargetType {
-        Unknown,
-        Executable,
-        Library
-    };
-
     using Ptr = QSharedPointer<ProjectPart>;
 
 public:
@@ -97,7 +85,7 @@ public:
     ::Utils::LanguageVersion languageVersion = ::Utils::LanguageVersion::LatestCxx;
     ::Utils::LanguageExtensions languageExtensions = ::Utils::LanguageExtension::None;
     CPlusPlus::LanguageFeatures languageFeatures;
-    QtVersion qtVersion = UnknownQt;
+    ::Utils::QtVersion qtVersion = ::Utils::QtVersion::Unknown;
 
     // Files
     ProjectFiles files;
@@ -111,7 +99,7 @@ public:
 
     // Build system
     QString buildSystemTarget;
-    BuildTargetType buildTargetType = Unknown;
+    ProjectExplorer::BuildTargetType buildTargetType = ProjectExplorer::BuildTargetType::Unknown;
     bool selectedForBuilding = true;
 
     // ToolChain