Make LaTeX-outline-level work for customized outline-regexp.

* latex.el (LaTeX-outline-level): Make it work for customized
`outline-regexp'.  See bug report
http://permalink.gmane.org/gmane.emacs.auctex.bugs/1648.
Support darwin.

* tex.el (TeX-view-program-list-builtin)
(TeX-view-program-selection): Enable commented code to support
darwin system.
Improve TeX-math-input-method-off-regexp.

* tex.el (TeX-math-input-method-off-regexp): Improve and fix typo.
See bug http://permalink.gmane.org/gmane.emacs.auctex.devel/2468.
Fix a bug in font-latex-add-to-syntax-alist.

* font-latex.el (font-latex-add-to-syntax-alist): Fix a bug in
`font-latex-add-to-syntax-alist' where it modified both the buffer
local and global value of `font-latex-syntax-alist'.
Update README for Git.

* README.GIT: Rename from README.CVS; update contents to Git.
Fix typo.

* style/lscape.el ("lscape"): Fix typo and parentheses.
Syntax fix.

* style/mathtools.el (LaTeX-mathtools-key-val-options): Fix defvar
syntax.
Fix bug in TeX-evince-sync-view.

* tex.el (TeX-evince-sync-view): URL-escape pdf file path when
calling evince via DBUS.
Fix 2 bugs in DBUS communication.

* tex.el (TeX-evince-sync-view): Use 0 as timestamp.
(TeX-source-correlate-sync-source): URL-decode tex file name.
Add new style files acro.el and acronym.el.

* Makefile.in (STYLESRC): Add style/acro.el and style/acronym.el.

* style/acro.el: New style.

* style/acronym.el: Ditto.