Merge pull request #3 from FCP-INDI/0.3.4_development

0.3.4 development
Changed the version number from 0.3.3 to 0.3.4.
Widened the 'Create FSL Model' button so that the whole button label
would be visible.
Implemented the basic checkbox grid GUI interface for the group analysis
model builder. More work is needed to fully integrate it further.
Creation of the checkbox_grid wxPython widget for the renovated group
analysis model builder.
Removed a space.
Merge pull request #7 from sgiavasis/master

Updated my 0.3.4_dev branch with Steve's master
Modified seg_preproc.py with subcortical segmentation workflow
Undid the FIRST workflow (should be in a seperate branch)
Merge pull request #9 from FCP-INDI/master

Update my 0.3.4_dev branch with full 0.3.4 release
Amended a line missed in the merge.
Merge pull request #325 from sgiavasis/master

Amended a line missed in the merge.
Introduced a check which ensures all input file paths provided in the pipeline configuration yaml file exist before actually running the pipeline.
Updated version information (for development stage).
Merge pull request #11 from FCP-INDI/master

Update 0.3.4 release branch with master changes again
Added install script to ./scripts/
Merge pull request #326 from dclark87/0.3.4_release

0.3.4 release update with installs script
added install script from danny
Merge pull request #329 from stymy/0.3.4_development

added install script from danny
Merge pull request #12 from FCP-INDI/master

Install comments added