fix initialization of call
Merge pull request #421 from Garonenur/blast_process_call

fix initialization of call
Closes #422.
install ncbi-blast+ on travis runs, and test for installation
add output of last stderr of failing tests
Uses the warning API properly rather than directly to stderr
Merge pull request #424 from Garonenur/travis

Travis changes
Merge pull request #423 from standage/cairo

Closes #422.
clearer fix for double free bug

Closes #340
simplify a disabled AddIDsStream

If the AddIDsStream is disabled we don't have to do anything here.
Merge pull request #425 from gordon/doublefree

Doublefree
fix steps incement over step size if filters are combined
Merge pull request #426 from Garonenur/seqfilter

fix steps incement over step size if filters are combined
fix blast call for protein input
Merge pull request #427 from Garonenur/blast_process_call

fix blast call for protein input
pre-select features tab in HTML template
Merge pull request #432 from satta/html_template

pre-select features tab in HTML template