Fix for issue #204, added width option to the CLI. Default value for width is 1200.

Added logger using es6 syntax

lib/cli.js

@@ -27,6 +27,7 @@ function cli(options) {
         , sequenceConfig: 'c'
         , ganttConfig: 'g'
         , css: 't'
+        , width: 'w'
       }
     , 'boolean': ['help', 'png', 'svg']
     , 'string': ['outputDir']
@@ -50,6 +51,7 @@ function cli(options) {
     , "  -g --ganttConfig     Specify the path to the file with the configuration to be applied in the gantt diagram"
     , "  -h --help            Show this message"
     , "  -v --verbose         Show logging"
+    , "  -w --width           width of the generated png (number)"
     , "  --version            Print version and quit"
   ]
 
@@ -97,11 +99,8 @@ cli.prototype.parse = function(argv, next) {
       options.sequenceConfig = checkConfig(options.sequenceConfig)
     }
 
-
     if (options.ganttConfig) {
-        console.log('Got conf1'+options.ganttConfig);
       options.ganttConfig = checkConfig(options.ganttConfig)
-      console.log('Got conf'+options.ganttConfig);
     }
 
     if (options.css) {
@@ -114,6 +113,11 @@ cli.prototype.parse = function(argv, next) {
         options.css = fs.readFileSync(path.join(__dirname, '..', 'dist', 'mermaid.css'))
     }
 
+    // set svg/png flags appropriately
+    if(!options.width){
+      options.width = 1200;
+    }
+
     this.checkPhantom = createCheckPhantom(options.phantomPath)
 
     this.checkPhantom(function(err, path) {