Added check to remove chance of getting a null pointer if the ontology unique id doesn't have an accession (which it shouldn't have), e.g. PATO: in the ISATab Nano files.
Merge remote-tracking branch 'origin/development' into development
Removed bad comment.

Closes #214
Upgraded to felix 4.2.1, extracted static code for setting dependency injections to a separate class so that plugins can use them.
uncommenting oerc repo
Removing comments on frog repo.
Updates to document local installation process
Add .gitignore file to ignore non-code files
Merge pull request #217 from ryscher/add-ignores

Add .gitignore file to ignore non-code files
Adding Mutlu's changes to avoid the Ubuntu problems.
Merge remote-tracking branch 'origin/development' into development
Deleting i_Investigation.txt file
Merge branch 'development' of https://github.com/ISA-tools/ISAcreator into development
Merge pull request #218 from agbeltran/development

Deleting i_Investigation.txt file - closes Issue #215
Merge branch 'development' of https://github.com/ISA-tools/ISAcreator into development
Fixing ambiguous method error
Test sets the GUI properties, change in resource injection for SubForm
Loading all properties files for the ResourceInjector in the class ISAcreatorGUIProperties
When isatabFiles parameter is given, download files only once
Added boolean to ApplicationManager, setting it in ISAcreatorApplication, setting GUI properties in main method for FileChooserUI.