Prepare v0.12.2.2 release notes#1769

Merged

UdjinM6 merged 11 commits intodashpay:developfrom

UdjinM6:releasenotes0.12.2.2

Dec 16, 2017

Commits on Dec 8, 2017

Commits on Dec 9, 2017

fix
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Commits on Dec 11, 2017

fix
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fix
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Commits on Dec 12, 2017

added 1772-1773, some description for them in "notable changes" section and a general note about typos/refactoring etc.
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added 1774
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Commits on Dec 13, 2017

Added 1775, 1777
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Commits on Dec 14, 2017

Commits on Dec 15, 2017

Added 1784
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