Fix linter errors

# Conflicts:
#	lib/contracts/contribution.js
#	lib/contracts/contributor.js
#	lib/contracts/proposal.js
#	lib/kredits.js
#	lib/utils/pagination.js

lib/serializers/contribution.js

@@ -9,7 +9,7 @@ const validator = require('../utils/validator');
  */
 class Contribution {
 
-  constructor(attrs) {
+  constructor (attrs) {
     Object.keys(attrs).forEach(a => this[a] = attrs[a]);
   }
 
@@ -26,24 +26,24 @@ class Contribution {
       kind,
       description,
       url,
-      details
+      details,
     } = this;
 
     let data = {
-      "@context": "https://schema.kosmos.org",
-      "@type": "Contribution",
-      "contributor": {
-        "ipfs": contributorIpfsHash
+      '@context': 'https://schema.kosmos.org',
+      '@type': 'Contribution',
+      'contributor': {
+        'ipfs': contributorIpfsHash,
       },
       date,
       time,
       kind,
       description,
-      "details": details || {}
+      'details': details || {},
     };
 
     if (url) {
-      data["url"] = url;
+      data['url'] = url;
     }
 
     // Write it pretty to ipfs

lib/serializers/contributor.js

@@ -12,7 +12,7 @@ class Contributor {
   * @method
   * @public
   */
-  static deserialize(serialized) {
+  static deserialize (serialized) {
     let {
       name,
       kind,
@@ -49,7 +49,7 @@ class Contributor {
   * @method
   * @public
   */
-  static serialize(deserialized) {
+  static serialize (deserialized) {
     let {
       name,
       kind,
@@ -64,7 +64,7 @@ class Contributor {
       "@type": "Contributor",
       kind,
       name,
-      "accounts": []
+      "accounts": [],
     };
 
     if (url) {
@@ -76,7 +76,7 @@ class Contributor {
         "site": "github.com",
         "uid": github_uid,
         "username": github_username,
-        "url": `https://github.com/${github_username}`
+        "url": `https://github.com/${github_username}`,
       });
     }
 
@@ -84,7 +84,7 @@ class Contributor {
       data.accounts.push({
         "site": "wiki.kosmos.org",
         "username": wiki_username,
-        "url": `https://wiki.kosmos.org/User:${wiki_username}`
+        "url": `https://wiki.kosmos.org/User:${wiki_username}`,
       });
     }