new tg branch t/install_ml
t/install_ml

enhance and tidy up install.ml. in particual:
- allow running it from the main repo dir
- add actions, so that you can some stages only
- add action generating makefile for incremental compilations
  (builds for me..)

Signed-off-by: Marc Weber <marco-oweber@gmx.de>
adopt to svn repo
update install.ml patch
Merge commit 'refs/top-bases/t/install_ml' into t/install_ml

* commit 'refs/top-bases/t/install_ml': (1999 commits)
  temporarily keep neko.db package in haxelib until it is migrated completely
  check for local "this" in abstract closures (fixed issue #1476)
  php: fixed issue #1048
  php: added test for issue #1048
  php: fixed Math.exp for NaN
  php: fixed Math.exp for NaN
  php: removed any reference to »
  mentioned Php Windows bug in Math.NaN (fixed issue #1469)
  php: minor improvment to Math.exp
  php: attempt at fixing Math.exp specifications
  unspec (affected by timezone)
  php: minor improvments on previous patch by Greg Dove
  php: fixed Math specification
  php: fixed Std.is for integers out of int32 boundaries
  php: fixed Type specifications
  copy :build metadata to abstract implementation class
  throw exception if EReg.matched is used without previously matching (fixed issue #1474)
  move class attributes
  php: further fix for StringTools.hex
  php: fixed StringTools.hex for negative values
  ...

Conflicts:
	Makefile
	doc/install.ml
update my install.ml file