Add Matlab highlight to the Matlab developers page
FileHandleTest: remove trailing slash from /usr/lib/

This allows the test to match /usr/lib/ and /usr/lib64/, so that
necessary native libraries aren't detected as file handles that have
incorrectly been left open.
Review the introductory section about bfopen output
Reformat headings and add internal link to OME metadata section
Fix colormap function case-sensitivity
Use relative links when describing the two metadata structures
Refactor the saving section using bfsave examples
Add example of direct usage of bfGetReader

- Also explicitly mention how to dump the OME-XML metadata into a string
Add Javadocs link to document the OME-XML metadata retrieval methods
Exclude /usr/share/locale files from FileHandleTest
Exclude /lib files from FileHandleTest
travis: Use tools/test-build script
travis: Restrict range of builds
travis: Add python to matrix exclusions
Restructure Matlab documentation page

Split the bfopen section from the low-level bfGetReader/bfGetPlane section.
Include plane retrieval, image display and metadata reading as subsection of
the image opening section.
Replace seealso markup by a sentence for the OME metadata Javadoc link
Perform conditional installation depending on the BUILD type
Explicitely pass install command in the case of the maven job only
Fix source link to bfopen function
Add link to MetadataStore and MetadataRetrieve interfaces Javadoc