start (non functional) mzML export function
add softwareList
add instrumentConfigurationList
add sourceFileList
add dataProcessingList
add run
add file format and sha1sum to sourceFile
add missing usage section in export methods man pages; fixes #1
Merge branch 'master' into mzML
rewrite using manual cat calls instead of functions provided by XML package
Merge branch 'master' into mzML

Conflicts:
	R/msd-functions.R
move export methods body to own functions
fix sourceFileList generation if metaData(x) is missing
add basic mzML export support; closes #2
add mzML table entry
add exportMzMl test
.make.unique starts by 1
fix MqF version in mzML test