hover background on target pharma table headers
[GLOBAL-31] add draw link to front page, put button above ketcher area
Change Strucutre to Search by structure on comp info. closes #29
Explanation of what to do. closes #31
ebi search link in target pharma provenance fixed. closes #26
check for ontology entries which dont have name or uri before parsing.
closes #32
Merge branch 'develop' into ian_ruby_1.8_support