Update paths for setting MaxNumberOfRequestsPerSession
Update periodic-backups.markdown

Added a little paragraph that teach how to restore from a periodic backup.
fix documentation issue around where the MaxNumberOfRequestsPerSession property can be accessed on a session.

Flip order around to emphasize that if people wanted to do more than 30 requests, they should override it at the session level instead of at the global level
Merge pull request #19 from dominiqueplante/generatePDFDoc

add infrastructure to generate PDF from markdown documentation
Merge pull request #17 from lorenzomelato/patch-1

Update periodic-backups.markdown
Merge pull request #18 from dominiqueplante/intro-2.0

Fix documentation issue around MaxNumberOfRequestsPerSession property
Merge pull request #21 from dominiqueplante/whatisnosql

Put in some useful text in intro section "What is noSQL?"
RDoc-97. Documents Highlights feature.
Merge pull request #22 from dominiqueplante/generatePDFDoc

ake some updates to index text for version 2.5 docs (section "Intro to RavenDB")
small improvements to profiling docs
merge from https://github.com/ravendb/docs.git
edits to what is nosql document
Minor spelling change

I copy pasted from here the other day trying to diagnose a problem on someone's local raven installation and discovered the command was spelled incorrectly.
Inform users that csv files should be UTF-8.

For unicode support.
Add initial content for "What is a Document Database"
fix doc code formatting
Merge pull request #26 from kijanawoodard/master

Add to tasks -> csv docs to explain that unicode requires the csv file to be UTF-8
Merge pull request #24 from dominiqueplante/profilingDocs

small improvements to profiling docs
Merge pull request #25 from kijanawoodard/patch-1

Minor spelling change
Merge pull request #27 from yellis/master

Adding some content to the intro section