There was a conflict between

解读，首先搜索到第一个5>的开头的那一行，确认是在编译哪一个项目。

那么后面的冲突，就是在和这个项目冲突。

There was a conflict between "log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" and "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821".
5> "log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" was chosen because it was primary and "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821" was not.
5> References which depend on "log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" [D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70log4net.dll].
5> D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70log4net.dll
5> Project file item includes which caused reference "D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70log4net.dll".
5> log4net
5> References which depend on "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821" [].
5> D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70DotNetOpenAuth.dll
5> Project file item includes which caused reference "D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70DotNetOpenAuth.dll".

5> There was a conflict between "log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" and "log4net, Version=2.0.8.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a".
5> "log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" was chosen because it was primary and "log4net, Version=2.0.8.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" was not.
5> References which depend on "log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" [D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70log4net.dll].
5> D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70log4net.dll
5> Project file item includes which caused reference "D:ChuckLuGitEdenredLISA_5.0.0.0LibraryV70log4net.dll".
5> log4net
5> References which depend on "log4net, Version=2.0.8.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a" [D:ChuckLuGitEdenredLISA_5.0.0.0LISA.CommoninDebuglog4net.dll].
5> D:ChuckLuGitEdenredLISA_5.0.0.0LISA.CommoninDebugLISA.Common.dll