rename configure.in to configure.ac to be liked by autoconf 1.12

aclocal-1.12: warning: autoconf input should be named 'configure.ac', not 'configure.in'
fix "Not using units is deprecated. Assuming 'px' " in gtk3 themes
add improvment for caja in gtcrc files
Merge pull request #17 from NiceandGently/master

a liitle caja improvment in gtkrc files and remove of some deprecations in gtk-3 themes
change gtk theme from clearlooks to traditionalOKclassic
add caja improvements to gtkrc's of the rest of the theme
add caja improvement to contrasthigh
add contrasthigh gtk-3 and metacity theme
add gtk-3 themes in configure
enable creation of gtk.gresource file for gtk-3 in configure
remove gresource implementation from ContrastHigh theme
rename High Contrast to ContrastHigh in index.theme
update german and english translations
remove makefile.in
Merge pull request #19 from NiceandGently/master

add contrasthigh gtk-3 theme and caja improvement gtk-2 for some themes
add GreenLaguna GTK2/3 theme
Merge pull request #21 from NiceandGently/master

add GreenLaguna GTK2/3 theme
Add GnomishBeige (GreenLaguna base) author
update TraditionalOk to clearlooks-phenix development
obsolete TraditionalOkClassic gtk-theme
update configure.ac and gtk-themes makefile.am
Merge pull request #22 from NiceandGently/master

update TraditionalOk theme to clearlooks-phenix development
add Menta theme
organized configure.ac
Merge pull request #23 from NiceandGently/master

add Menta theme