push local changes if there are any on signOut

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fixes #148 on reconnect, tries to push/pull changes for anonymous user
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build
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This commit was sponsored by The Hoodie Firm.
You can hire The Hoodie Firm:
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made implementation to fix #159 more robust.
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This commit was sponsored by The Hoodie Firm.
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all the tests!
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This commit was sponsored by The Hoodie Firm.
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build
build

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This commit was sponsored by Human JavaScript.
Human JavaScript is the best way to learn modern
web application development today, read it now:

http://go.hood.ie/human-javascript
[feature] adds grunt-karma incl. config

runs coverage only on karma:coverage
[minor] update gitignore
[minor] temp tweaks
[minor] build tweaks
[minor] syntax fix
[minor] more travis tweaks
[minor] even more tweaks
[feature wip] saucelabs travis integration
...
[minor] rename build dir

i suspect this collides with travis
[minor] make sh files executable
[wip]
[wip]