increase precision of git ignore; ignore autotools compile script
configure.ac: add x11 to GUILIBS (Closes: #555882)
configure.ac: update

follow automake's instructions:

src/Makefile.am:27: compiling `padevchooser.c' with per-target flags requires `AM_PROG_CC_C_O' in `configure.ac'

autoupdate says AC_TYPE_SIGNAL in configure.ac is obsolete
src/padevchooser.desktop: remove encoding key

remove obsolete encoding key line from desktop file, per lintian
remove useless old unexpanded CVS/SVN keyword templates
correct autotool avahi libs references and remove unneeded explicit extra -lX11
PKG_CHECK_MODULES invokes AC_SUBST itself since 2004
AC_INIT will set PACKAGE_URL if when passed a URL
try to not step on user variables like CFLAGS, and simplify automake
remove autotools CXX, because why?
AM_LDFLAGS is the right thing for linker flags in automake
One place: pass flags from configure to make using LIBS and AM_CPPFLAGS
Merge remote-tracking branch 'origin/master' into debian
need libgnomeui-dev for pkg-config libglade-2.0