ignore g:EclimNailgunClient='python' if python not available
on python search, don't echo no element found if python isn't available

prevent overwriting the message from rope init indicating that this
functionality requires 'python' to be compiled into vim.
make :MvnRepo command global + fix maven getting started docs
fix excluding corrections by import

the correction proposal may have a ImportRewrite that is empty (no
regular/static import), which caused a false positive in some cases:

https://groups.google.com/d/msg/eclim-dev/-/pRzJoLsA_SAJ
Merge branch 'master' of git://github.com/ervandew/eclim
fix piping exec output through tee on cygwin
don't set 'comments' option in html indent settings

setting the 'comments' option will overwrite user options, even for
other filetypes utilizing html indentation (eg. php).

fixes #173
slightly improved eclim help output

add separate option to list all commands along with the ability to get
the help for a single command.
re-enable post comment html indent fix
when reading an archived file, preserve vim's alternate file

when opening an archived file, the file is first set to the archive url,
then to the resulting temp file path. This prevents <c-^> from jumping
back to the previous file since in this case the previous file is the
archived file url. Use 'keepalt' when switching from the archived url to
the temp file so that <c-^> and other alternate file features work as
expected.
add setting for :ProjectTab to disable auto opening of project tree
create global buffer function to load next hidden buffer

allows external use of the function
update :ProjectTab to support dir arg + remove :TreeTab
.ctrlp and tags added to ignore list.
getSysPath method added. This fix issue when working on Windows with cygwin.
minor coding styling changes for new getSysPath
update for ADT 21.0.0

fixes #176
fix creation of projects in a workspace sub directory
update :ProjectTree to support arbitrary directories
fix opening of file:<path> urls