Generate an HTML Help file and include it in the build.

resources/windows/OpenLP-2.0.iss

@@ -69,6 +69,7 @@ Source: ..\..\dist\OpenLP\*; DestDir: {app}; Flags: ignoreversion recursesubdirs
 [Icons]
 Name: {group}\{#AppName}; Filename: {app}\{#AppExeName}
 Name: {group}\{#AppName} (Debug); Filename: {app}\{#AppExeName}; Parameters: -l debug
+Name: {group}\{#AppName} Help; Filename: {app}\{#AppName}.chm
 Name: {group}\{cm:ProgramOnTheWeb,{#AppName}}; Filename: {#AppURL}
 Name: {group}\{cm:UninstallProgram,{#AppName}}; Filename: {uninstallexe}
 Name: {commondesktop}\{#AppName}; Filename: {app}\{#AppExeName}; Tasks: desktopicon

scripts/windows-builder.py

@@ -301,6 +301,7 @@ def main():
     run_sphinx()
     run_htmlhelp()
     run_innosetup()
+    clean_build_directories()
     print "Done."
 
 if __name__ == u'__main__':