don't pre-select version of new package when installing from file oth…

…erwise it's depenency requirements won't be taken into account

lib/commands/install.js

@@ -234,6 +234,7 @@ exports.installName = function (name, opt, callback) {
                 config: cfg,
                 source: 'root'
             };
+            logger.info('Building version tree...');
             tree.build(pkg1, sources1, function (err, packages) {
                 if (err) {
                     return callback(err);
@@ -358,14 +359,14 @@ exports.installFile = function (filename, opt, callback) {
                 ];
                 var packages = {};
                 packages[name] = tree.createPackage([]);
-                packages[name].current_version = results.cfg.version;
                 packages[name].versions[results.cfg.version] = {
                     source: 'tmp',
                     path: tmp_extracted,
                     basename: path.basename(filename),
                     config: results.cfg
                 };
                 var root = {config: cfg, source: 'root'}
+                logger.info('Building version tree...');
                 tree.extend(root, sources, packages, function (err, packages) {
                     if (err) {
                         return callback(err);