Update README

added Add gnome-search-tool to context menu
Merge pull request #12 from wrouesnel/rabbitvcs

nemo-rabbitvcs
Merge pull request #19 from timmie/patch-1

Update README
1.8.0
Set version of nemo-fileroller to 1.8.0.
Remove autogenerated files from git repository.
Use xz for the source tarball.
Remove unused dependencies python and rst2man.
Rename configure.in to configure.ac.
Use correct GPL 2 header and remove wrong LGPL references.
Use GPL 2 instead of GPL 3 in COPYING file, because GPL v2 or later is supported.
Some cleanup to python-nemo, add autogen.sh, use dh_autoreconf
Fix nemo-python python lib location
Add nemo-preview (sushi fork)... working.  Needs some further renaming
in po folder
Remove autogenerated files
nemo-preview: do some .po file renames
Fix nemo-pastebin, so it doesn't spam warnings
Fix some log spam from nemo-compare
nemo-preview: Version bump to match other extensions.
Add nemo-media-columns