Merge pull request #158 from stefelisabeth/culture-search

Minor change to code for culture search
duplicating search & reset buttons, moving buttons to the right
fixing Language header
adding field newick_string to LanguageTree model
Adding field source to LanguageTree model
Populate newick_string field with newick string from language tree file
Adding newick_string to LanguageTree serializer fields
moving newick.js into repo
adding d3js to repo
Merge pull request #172 from stefelisabeth/moving-to-repo

moving newick.js and d3js into repo
Merge pull request #171 from stefelisabeth/language-trees

Adding fields newick_string and source to LanguageTree model
Merge pull request #170 from stefelisabeth/search-functionality

duplicating search & reset buttons, moving buttons to the right