Phame - introduce blogs

Summary:
blogs are collections of posts. a blog also has metadata like a name, description and "bloggers" that can edit the metadata of the blog and contribute posts.

changes include the post edit flow where bloggers can now select which blogs to publish to. also made various small tweaks throughout the UI to make things sensical and clean as the concept of blogs is introduced.

there's edges powering this stuff.  bloggers <=> blogs and posts <=> blogs in particular.

Test Plan:
made blogs, deleted blogs, tried to make blogs with no bloggers. all went well.
verified ui to publish only showed up for public posts, published posts to blogs, un-published posts to blogs, re-published posts to blogs, deleted posts and verified they disappeared from blogs.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T1373

Differential Revision: https://secure.phabricator.com/D3003

resources/sql/patches/phameblog.sql

@@ -0,0 +1,31 @@
+CREATE TABLE {$NAMESPACE}_phame.phame_blog (
+  `id` INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  `phid` VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  `name` VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  `description` LONGTEXT NOT NULL COLLATE utf8_bin,
+  `configData` LONGTEXT NOT NULL COLLATE utf8_bin,
+  `creatorPHID` VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  `dateCreated` INT UNSIGNED NOT NULL,
+  `dateModified` INT UNSIGNED NOT NULL,
+  UNIQUE KEY (`phid`)
+) ENGINE=InnoDB, COLLATE utf8_general_ci;
+
+CREATE TABLE {$NAMESPACE}_phame.edge (
+  src VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  type VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  dst VARCHAR(64) NOT NULL COLLATE utf8_bin,
+  dateCreated INT UNSIGNED NOT NULL,
+  seq INT UNSIGNED NOT NULL,
+  dataID INT UNSIGNED,
+  PRIMARY KEY (src, type, dst),
+  KEY (src, type, dateCreated, seq)
+) ENGINE=InnoDB, COLLATE utf8_general_ci;
+
+CREATE TABLE {$NAMESPACE}_phame.edgedata (
+  id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  data LONGTEXT NOT NULL COLLATE utf8_bin
+) ENGINE=InnoDB, COLLATE utf8_general_ci;
+
+ALTER TABLE {$NAMESPACE}_phame.phame_post
+  ADD KEY `instancePosts` (`visibility`, `datePublished`, `id`);
+