Add first draft of @def-lkb's post

This guest post covers both ocp-indent and merlin
Add @diml's post on utop

This is a great draft and with a few tweaks will make a great
guest post.
Spelling etc.
Reword according to @Chris00's suggestion.
Rewording.
Add merlin screenshot
Edits to merlin post; add multiple authors experimentally
Merge pull request #14 from ocaml/merlin

Add first draft of @def-lkb's post (for 20 Aug?)
Fix some minor orthographic irregularities.
tweaks and edits throughout
Merge branch 'master' into utop
My edits to utop post
Update publication date of utop post
Merge pull request #15 from ocaml/utop

Add @diml's post on utop (for 26 Aug)
0install blog draft
Note that gcc, m4 and patch aren't currently listed as dependencies
Updates for review comments

- Note that testing your package on multiple platforms is still needed.
- Link to Windows installation of 0install. OPAM binary may come later.
- Suggest 0opam if you already have an opam command.
- Explain how 0install installs distribution packages.
- Better OPAM homepage link.
Fixed upgrade example
Use example.com in the example XML
Link to OCaml 2014 talk