shockbubble example moved from amrclaw/tests/shockbubble
Improved shock-bubble computation -- finer grid and better setplot.py
Merge pull request #7 from rjleveque/shockbubble

Shockbubble example added
added fvmbook directories and a placeholder README for each chapter
Merge pull request #10 from rjleveque/fvmbook

added fvmbook directories and a placeholder README for each chapter
added one fvmbook/chap20/rotate and a README_template.rst ...
Also fvmbook/convert_book.txt with first pass at some instructions.
added fvmbook/chap3/acousimple
changed dt_variable=True
updated instructions for converting book examples
added fvmbook/chap6/wavepacket
updated fvmbook/convert_book.txt
Added chap6/compareadv
Merge remote-tracking branch 'nthakkar/fvmbook' into fvmbook

* nthakkar/fvmbook:
  Added chap6/compareadv
Added chap10/tvb
updated chap7/acouinflow
Added chap7/advinflow
added chap7/standing
Added chap12/efix
Merge remote-tracking branch 'nthakkar/fvmbook' into fvmbook

* nthakkar/fvmbook:
  Added chap12/efix
  Added chap10/tvb
added chap13/collide