Release v0.2.2

[yun-yeo]

** Summary of changes **

0.2.2

• #185: Improve oracle specs
• #184: Fix terracli docs
• #183: Change all GradedVestingAccounts to LazyGradedVestingAccounts.
• #179: Conform querier responses to be returned in JSON format
• #178: Change BIP44 PATH to 330

Changes

#185 Oracle MsgFeederDelegatePermission specs

Added docs for using MsgFeederDelegatePermission to oracle specs

#185 Oracle price vote denom error fix

Oracle specs now specify micro units uluna and uusd for correct denominations for price prevotes and votes

#184 Minor terracli fix

#183 Oracle param update

OracleRewardBand: 1% => 2%

#183 Market param update

DailyLunaDeltaCap: 0.5% => 0.1%

#183 LazyGradedVestingAccount

• Spread out the cliffs for presale investors, with varying degrees of severity (details #180)

#179 Align Querier responses to JSON

• Querier was returning misaligned formats for return values, now aligned to JSON format

#178 Correctly use 330 as the coin type field in BIP 44 PATH

• We were previously using the Cosmos coin type field for the BIP44 path. Changed to Terra's own 330.

** Report of required housekeeping **

• Github issue OR spec proposal link
• Wrote tests
• Updated relevant documentation (docs/)
• Added a relevant changelog entry: clog add [section] [stanza] [message]

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** (FOR ADMIN) Before merging **

• Added appropriate labels to PR
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)
• Confirm added tests are consistent with the intended behavior of changes
• Ensure all tests pass

[codecov]

Codecov Report

Merging #186 into master will increase coverage by 1.32%.
The diff coverage is 76.78%.

@@            Coverage Diff             @@
##           master     #186      +/-   ##
==========================================
+ Coverage      64%   65.32%   +1.32%     
==========================================
  Files          90       94       +4     
  Lines        4995     5448     +453     
==========================================
+ Hits         3197     3559     +362     
- Misses       1596     1678      +82     
- Partials      202      211       +9