Moving ladspa to makedepends. Adding gcc-libs to depends. Fixing obsolete use of <pow10f>. Minor fixes.

Updating maintainer. Adding patch to fix ambiguous function call. Removing unneeded export of CFLAGS.
Installinv various docs. Minor fixes.

FTR, commands used to change arch=() and then verify the changes:

$ sed -Ei "/^arch=/{s/ *?['\"]?i686['\"]? *?//;s/ *$//}" */*/PKGBUILD*

$ grep -r i686 * | grep arch= | grep -v repos

$ svn diff | grep -A 1 ^-[^-] | grep -v -- -- | cut -c2- |
  while IFS=$'\n' read -r l1; IFS=$'\n' read -r l2; do
    echo "$l1 -> $l2"
  done | sort -u

addpkg: softsynths: aeolus, ams - ladspa plugins: amb-plugins, blop, caps, fil-plugins, mcp-plugins, pvoc, rev-plugins, tap-plugins, vco-plugins, wah-plugins - dependencies: clalsadrv, clthreads, clxclient, zita-alsa-pcmi