switched from grunt to gulp

gulp/less.js

@@ -0,0 +1,30 @@
+var gulp = require('gulp');
+var less = require('gulp-less');
+var print = require('gulp-print');
+
+var paths = require('./paths');
+
+gulp.task('less', function () {
+    return  gulp.src([
+            paths.src.content + 'bootstrap.less',
+            paths.src.content + 'theme.less',
+            paths.src.content + 'overrides.less',
+            paths.src.root + 'Series/series.less',
+            paths.src.root + 'History/history.less',
+            paths.src.root + 'AddSeries/addSeries.less',
+            paths.src.root + 'Calendar/calendar.less',
+            paths.src.root + 'Cells/cells.less',
+            paths.src.root + 'Settings/settings.less',
+            paths.src.root + 'System/Logs/logs.less',
+            paths.src.root + 'System/Update/update.less',
+    ])
+        .pipe(print())
+        .pipe(less({
+            dumpLineNumbers: 'false',
+            compress: true,
+            yuicompress: true,
+            ieCompat: true,
+            strictImports: true
+        }))
+        .pipe(gulp.dest(paths.dest.content));
+});