fix: hoodie.store.updateAll to resolve with array of updated objects

fixes #329
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feat(hoodie.store): allow dashes in type names

Document types can now include dashes, so strings like "direct-message" or
"some-task" are allowed. Previously we'd had to use "directmessage" or
"sometask".

Closes #296
chore(release): v0.9.7
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This commit is devoted to @svnlto, a senior JavaScript
developer, excessive open source contributor and
Hoodie core committer. If you are very lucky,
he might still be available for contracting work

http://go.hood.ie/svenlito
fix: do not trigger `signin` event on changeUsername/Password

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fix(hoodie.account): reconnect after changing username, and bypass cleanup of local data

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chore(npm): updated jshint & grunt-contrib-jshint

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