chore, let autotools choose the linker for binaries with libtwscapi linkage

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, kick expat dependency for quo-tws tool

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
hygiene, remove constness off end-of-ep pointer for assignment reasons

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, provide tws_cont_cleg() singleton c'tor for ib contract's comboLegs slot

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'proto/twsxml' into next

* proto/twsxml:
  minor, provide tws_cont_cleg() singleton c'tor for ib contract's comboLegs slot
  hygiene, remove constness off end-of-ep pointer for assignment reasons
  chore, kick expat dependency for quo-tws tool
  chore, let autotools choose the linker for binaries with libtwscapi linkage
minor, skip building of tws specific stuff

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, also kick tws related source files

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'feat/remove-tws-stuff' into next

* feat/remove-tws-stuff:
  chore, also kick tws related source files
  minor, skip building of tws specific stuff
Merge branch 'next'

* next:
  chore, also kick tws related source files
  minor, skip building of tws specific stuff
  minor, provide tws_cont_cleg() singleton c'tor for ib contract's comboLegs slot
  hygiene, remove constness off end-of-ep pointer for assignment reasons
  chore, kick expat dependency for quo-tws tool
  chore, let autotools choose the linker for binaries with libtwscapi linkage