Squashed 'libertree-client-rb/' changes from cc3f1fd..c80deb5

c80deb5 increase version number
df63cb2 swap if/else branches
4f0b889 request: return success/failure flag dependent on response

git-subtree-dir: libertree-client-rb
git-subtree-split: c80deb56bb58bb192970f5d7e446047767e34cb3
Merge commit '3e0a7e37b17f9da57cc6c0d1588f0d9acd85cd16'
Squashed 'libertree-frontend-ramaze/' changes from 30b6bb4..9ef1221

9ef1221 invalidate cached post on new comment

git-subtree-dir: libertree-frontend-ramaze
git-subtree-split: 9ef1221c7148e3d9542f91fe8a04616a6509bd81
Merge commit '3ad8a8f0357fbadc85223c6528f2a821f8cd2a3e'
Squashed 'libertree-backend-rb/' changes from bf0db11..e3e9d27

e3e9d27 raise JobFailed if remote server rejects message
6becbad update libertree-client
9c0c789 write error message to retry_reason instead of full log message

git-subtree-dir: libertree-backend-rb
git-subtree-split: e3e9d270e365cf6554fbcd0a47158a42f94c6c76
Merge commit '192865339ddb3f57c36bc9eec0cf18b4892b3b52'
Squashed 'libertree-model-rb/' changes from 22e5d4d..6f09b0e

6f09b0e increase version
83da94a invalidate cached full post when a new comment is created

git-subtree-dir: libertree-model-rb
git-subtree-split: 6f09b0ecb87cfb544f55274bcbd877a521dcb2f4
Merge commit '98905e2fa4fb01697e3617b279e98d4efa394796'
increase version numbers