Simplify build process by getting rid of bison/flex dependencies.

Fixes both MSVC and autotools (automake 1.12+).

Revert "Abort autogen.sh when automake 1.12+ is found."

This reverts commit 978ed8f1f90544162c327f334bd590cd7b944ce1.
Should now work with automake 1.11+

fixes ticket:3887
fixes ticket:3538
closes ticket:3950

(cherry picked from commit 372eff6693e633e8d0d1d0b8a9ceb996a5c3f49f)

Forgot to push these changes for commit 372eff6693e633e8d0d1d0b8a9ceb996a5c3f49f

(cherry picked from commit e397b24d4724d835d6cdc39a92800e64c0551dab)

Out of tree builds ?  Who needs them. :P

refs: 372eff6693e633e8d0d1d0b8a9ceb996a5c3f49f
(cherry picked from commit 20317c2a6f2c700042a727c6d719056ab3c90dcb)
Merge branch 'bugfixes'

* bugfixes:
  Simplify build process by getting rid of bison/flex dependencies.

Conflicts:
	src/Makefile.am
	src/scriptvals_parser.cpp
qtscript: fix description of getStructureLimit()
Merge branch 'bugfixes'
French translation update by cpasmoi/machintruc.

Closes pull request 35.
Italian translation update by Alpha93.

Closes #4074.
Hungarian translation update by mtomi78.

Closes #3909.
Portuguese translation update by HolyDragoon.

Closes #4050.
Merge branch 'bugfixes'
Do not use unnecessary memory on atmosphere effects when no atmosphere effects are in use.
Based on patch by wolftrak in ticket:4079, closes ticket:4079
Fix missing class hints for droids bodies. Closes ticket:4077 reported by crab_
Change propulsion speed	modifiers to 3.1 values, accidentially changed to campaign values
during ini file	conversion process. Patch by crab_. Closes ticket:4070
fix lightWorld
Merge pull request #36 from Cjkjvfnby/stats-fix-lightWorld

fix lightWorld
remove unused key "power" from ecm
Merge pull request #37 from Cjkjvfnby/ini-cleanup

remove unused key "power" from ecm
rename body to hitpoints in weaporns.ini files
rename body to hitpoints ecm. ini files
rename bodyPoints to hitpoints
fix ini parsers