Ports cleanup

- Remove duplicate platform specific (from src/) and other unnecessary
  files
- Fix and update vapi-*.js files for Safari
- Add tools/make-safari.sh
- Move js/vapi-appinfo.js to meta/ (so, every vendor specific file will be
  at the same location)

src/js/vapi-common.js

@@ -1,131 +0,0 @@
-// » header
-// could be used for background and other extension pages
-
-(function() {
-'use strict';
-
-self.vAPI = self.vAPI || {};
-
-// http://www.w3.org/International/questions/qa-scripts#directions
-var setScriptDirection = function(langugae) {
-    document.body.setAttribute(
-        'dir',
-        ~['ar', 'he', 'fa', 'ps', 'ur'].indexOf(langugae) ? 'rtl' : 'ltr'
-    );
-};
-
-vAPI.download = function(details) {
-    if (!details.url) {
-        return;
-    }
-
-    var a = document.createElement('a');
-
-    if ('download' in a) {
-        a.href = details.url;
-        a.setAttribute('download', details.filename || '');
-        a.dispatchEvent(new MouseEvent('click'));
-    }
-    else {
-        var messager = vAPI.messaging.channel('_download');
-        messager.send({
-            what: 'gotoURL',
-            details: {
-                url: details.url,
-                index: -1
-            }
-        });
-        messager.close();
-    }
-};
-// «
-
-if (self.chrome) {
-    // » crx
-    var chrome = self.chrome;
-
-    vAPI.getURL = function(path) {
-        return chrome.runtime.getURL(path);
-    };
-
-    vAPI.i18n = function(s) {
-        return chrome.i18n.getMessage(s) || s;
-    };
-
-    setScriptDirection(vAPI.i18n('@@ui_locale'));
-    // «
-} else if (self.safari) {
-    // » safariextz
-    vAPI.getURL = function(path) {
-        return safari.extension.baseURI + path;
-    };
-
-    var xhr = new XMLHttpRequest;
-    xhr.overrideMimeType('application/json;charset=utf-8');
-    xhr.open('GET', './locales.json', false);
-    xhr.send();
-    vAPI.i18nData = JSON.parse(xhr.responseText);
-
-    if (vAPI.i18nData[vAPI.i18n = navigator.language.replace('-', '_')]
-        || vAPI.i18nData[vAPI.i18n = vAPI.i18n.slice(0, 2)]) {
-        vAPI.i18nLocale = vAPI.i18n;
-    } else {
-        vAPI.i18nLocale = vAPI.i18nData._;
-    }
-
-    xhr = new XMLHttpRequest;
-    xhr.overrideMimeType('application/json;charset=utf-8');
-    xhr.open('GET', './_locales/' + vAPI.i18nLocale + '/messages.json', false);
-    xhr.send();
-    vAPI.i18nData = JSON.parse(xhr.responseText);
-
-    for (var i18nKey in vAPI.i18nData) {
-        vAPI.i18nData[i18nKey] = vAPI.i18nData[i18nKey].message;
-    }
-
-    vAPI.i18n = function(s) {
-        return this.i18nData[s] || s;
-    };
-
-    setScriptDirection(vAPI.i18nLocale);
-
-    // update popover size to its content
-    if (safari.self.identifier === 'popover' && safari.self) {
-        window.addEventListener('load', function() {
-            // Initial dimensions are set in Info.plist
-            var pWidth = safari.self.width;
-            var pHeight = safari.self.height;
-            var upadteTimer = null;
-            var resizePopover = function() {
-                if (upadteTimer) {
-                    return;
-                }
-
-                upadteTimer = setTimeout(function() {
-                    safari.self.width = Math.max(pWidth, document.body.clientWidth);
-                    safari.self.height = Math.max(pHeight, document.body.clientHeight);
-                    upadteTimer = null;
-                }, 20);
-            };
-
-            var mutObs = window.MutationObserver || window.WebkitMutationObserver;
-
-            if (mutObs) {
-                (new mutObs(resizePopover)).observe(document, {
-                    childList: true,
-                    attributes: true,
-                    characterData: true,
-                    subtree: true
-                });
-            }
-            else {
-                // Safari doesn't support DOMAttrModified
-                document.addEventListener('DOMSubtreeModified', resizePopover);
-            }
-        });
-    }
-    // «
-}
-// » footer
-})();
-// «