Merge pull request #14 from nicolasmoreau/master

Added a link to the vamdc foum in Info page
need to use &amp; in the xml source, otherwise it breaks...
Add the xsams processors call tracking
Fix the recurrent &amp; issue in URLs
Fix the DOI field: allow only , as a IN separator for it.
Add the test to track the DOI issue
Fix the issue #15 - query reconstruction crash on query with two target/collider species
Move the style from actionButtons to style.css
Start implementing tree-based query generator
add dummy getters for the interactive elements
Merge pull request #16 from nicolasmoreau/master

Add a new page listing species available in a node. Need some refactoring.
Rename stylesheet.xsl into getspecies.xsl
Add obviously forgotten redirect to species.xhtml
Cosmetic cleanups and fixes
display a progress bar while getting species in background