GIT upgraded, cssso removed due to errors, introduced css-nano.

Author: Jarek Krochmalski

package.json

@@ -16,7 +16,7 @@
     "gulp-bower": "0.0.11",
     "gulp-complexity": "0.3.2",
     "gulp-connect": "2.3.1",
-    "gulp-csso": "1.0.1",
+    "gulp-cssnano": "2.1.0",
     "gulp-debug": "2.1.2",
     "gulp-eslint": "1.1.1",
     "gulp-filenames": "2.0.0",

package/package.json

@@ -16,7 +16,7 @@
     "gulp-bower": "0.0.11",
     "gulp-complexity": "0.3.2",
     "gulp-connect": "2.3.1",
-    "gulp-csso": "1.0.1",
+    "gulp-cssnano": "2.1.0",
     "gulp-debug": "2.1.2",
     "gulp-eslint": "1.1.1",
     "gulp-filenames": "2.0.0",

setenv.bat

@@ -1,4 +1,4 @@
-call cfg nodejs 4.2.2 git 1.9.5.msysgit.0 ruby 2.2.2 python 2.7.10
+call cfg nodejs 4.2.2 git 2.6.3 ruby 2.2.2 python 2.7.10
 
 REM Fetch npm dependencies
 set PATH=%PATH%;%cd%\node_modules\.bin

tasks/build.gulp.js

@@ -3,7 +3,7 @@
 var gulp = require('gulp'),
     angularFilesort = require('gulp-angular-filesort'),
     bower = require('gulp-bower'),
-    csso = require('gulp-csso'),
+    minifyCss = require('gulp-cssnano'),
     debug = require('gulp-debug'),
     filter = require('gulp-filter'),
     gulpIf = require('gulp-if'),
@@ -92,7 +92,7 @@ gulp.task('build', ['bower', 'js', 'images', 'fonts', 'build-styles', 'partials'
         .pipe(gulpIf(['**/*.js', '**/*.css'], rev()))
         .pipe(gulpIf('*.js', ngAnnotate()))
         .pipe(gulpIf('*.js', uglify()))
-        .pipe(gulpIf('*.css', csso()))
+        .pipe(gulpIf('*.css', minifyCss()))
         .pipe(debug())
         .pipe(revReplace())
         .pipe(gulpIf('*.html', htmlmin({