prepare 3.3.0 release

evolve: drop `latercomer` and `conflicting` compatibility. Those old alias are deprecated for a long time now. All computations related to troubles are in Mercurial core for multiple versions.

evolve: use flag value from core for bumped fix This flag is available from core for a long time, lets use it directly from there. This commit intend to cleanup old stuff from the evolve extention.

test: get rid of all reference to conflicting changesets They are now called divergent for a long time.

merge various improvement to stable We want a good stable state before starting massive changes in default for obsolescence marker update.

exchange: add progress bar when pushing using wire protocol command Progress bar on pull was only available for pushkey based push before this changeset. This implementation is very hacky but we are still at a proof of concept stage for those new exchange method.

exchange: add progress bar when pulling using wire protocol command progress bar on pull was only available for pushkey based pull before this changeset.

exchange: fix pulling from simple for server There is far too much code duplication down there.

exchange: add test case for D.4

exchange: add test case for D.3