Merge pull request #45 from satta/master

re-enable Dbxrefs (WITH/FROM) and add qualifiers
Merge pull request #46 from satta/master

check whether prop.type is defined
fix for clicking on bam
fix bam filter menu
increase maxDisplayWidth
Merge pull request #47 from satta/master

Show error message when feature retrieval fails
Added license
Merge pull request #48 from aslett1/master

Added license
Added README
Merge pull request #49 from aslett1/master

Added README
Added AUTHORS file
Merge pull request #50 from aslett1/master

Added AUTHORS file