Support CLI-based PDF generation.

Support Phantom and wkhtmltopdf generation via CLI.

src/core/default-formats.js

@@ -9,7 +9,7 @@
     { name: 'html', ext: 'html', gen: new (require('../gen/html-generator'))() },
     { name: 'txt',  ext: 'txt', gen: new (require('../gen/text-generator'))()  },
     { name: 'doc',  ext: 'doc',  fmt: 'xml', gen: new (require('../gen/word-generator'))() },
-    { name: 'pdf',  ext: 'pdf', fmt: 'html', is: false, gen: new (require('../gen/html-pdf-generator'))() },
+    { name: 'pdf',  ext: 'pdf', fmt: 'html', is: false, gen: new (require('../gen/html-pdf-cli-generator'))() },
     { name: 'png',  ext: 'png', fmt: 'html', is: false, gen: new (require('../gen/html-png-generator'))() },
     { name: 'md', ext: 'md', fmt: 'txt', gen: new (require('../gen/markdown-generator'))() },
     { name: 'json', ext: 'json', gen: new (require('../gen/json-generator'))() },

src/core/error-handler.js

@@ -120,7 +120,7 @@ Error-handling routines for HackMyResume.
           chalk.yellow(' to create.');
         break;
 
-      case HACKMYSTATUS.wkhtmltopdf:
+      case HACKMYSTATUS.pdfGeneration:
         msg = chalk.red.bold('ERROR: PDF generation failed. ') + chalk.red('Make sure wkhtmltopdf is ' +
         'installed and accessible from your path.');
         if( ex.inner ) msg += chalk.red('\n' + ex.inner);

src/core/status-codes.js

@@ -16,7 +16,7 @@ Status codes for HackMyResume.
     resumeNotFoundAlt: 6,
     inputOutputParity: 7,
     createNameMissing: 8,
-    wkhtmltopdf: 9,
+    pdfgeneration: 9,
     missingPackageJSON: 10,
     invalid: 11,
     invalidTarget: 12