tests: add tests for styled hgwebdir pages

hgweb: use new sessionvars code in hgwebdir, too

hgweb: some cleanups in hgwebdir, remove double defaults Removed obsolete command, expose useful cleannames function.

convert/svn: fix pathname parsing from URL under Windows

hghave: handle Windows raising on popen() failure

test-extdiff: replace shell script with python for portability

Declare bzr TERM=dumb to silence progress bars In theory, one could set BZR_PROGRESS_BAR=none but it does not work in 1.14rc2

replace various uses of list.reverse()

replace util.sort with sorted built-in This is marginally faster for small and moderately-sized lists

ui: make interactive a method

util: take propertycache from context.py

ui: print_exc() -> traceback()

ui: traceback -> _traceback

ui: report_untrusted fixes - report_untrusted -> _reportuntrusted - only report config shadows if enabled - config shadows are debug messages

ui: privatize cdata vars

ui: buffers -> _buffers

ui: trusted_users -> _trustusers, trusted_groups -> _trustgroups

ui: assumetrusted -> trust

ui: _get_cdata -> _data

config: getsource -> source

ui: simplify fixconfig

ui: fix-up and warn about deprecated %%

bugzilla: fix section reading

templater: use new config parser This gives us the ability to use includes and continuations

config: add section filter to read move section filtering out of ui.readconfig kill section filtering in config.update

config: deal with spaces at end of line more carefully

hgweb: kill parentui references

ui: kill most users of parentui name and arg, replace with .copy()