Merge changes from branch 0.0.21 to master

[dgolovin]

Fix #853, #852, #851 in master.

[codecov]

Codecov Report

Merging #857 into master will decrease coverage by 1.91%.
The diff coverage is 29.26%.

@@            Coverage Diff             @@
##           master     #857      +/-   ##
==========================================
- Coverage   94.77%   92.86%   -1.92%     
==========================================
  Files          23       23              
  Lines        1379     1612     +233     
  Branches      222      275      +53     
==========================================
+ Hits         1307     1497     +190     
- Misses         72      115      +43

Impacted Files	Coverage Δ
src/extension.ts	75.78% <29.26%> (-22%)	⬇️
src/openshift/service.ts	100% <0%> (ø)	⬆️
src/openshift/catalog.ts	100% <0%> (ø)	⬆️
src/odo.ts	92.06% <0%> (+0.02%)	⬆️

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