AH: Patch to use *.latexmain method of finding the main.tex file
Adding basic folding support. Closes #23
Added automatic activation of the folding method
Added variable to activate folding
Documentation for folding
Merge branch 'folding'
Fix UTF-8 umlaut representation in TOC

As an example the umlaut 'ü' is represented as \IeC{\"u} in the *.aux
files, from which the TOC function parses its entries. Before returning
a specific entry substitute the ugly representation with the plain
vowel.
Fixed typo in documentatioN
User can determine where vsplits (TOC) appears.
Merge pull request #24 from sotte/toc_on_variable_side

User can determine where vsplits (TOC) appears.
Fix indentkeys options to use proper escaping for backslash
Follow vim standard of requiring closing keys to be at the start of a line.
Merge pull request #25 from kieranclancy/patch-1

Fix indentkeys options to use proper escaping for backslash
Adapted README.md for this fork.
Commited the fix.
Changed LatexTOC to look not only for lines but rather for statements,
        for there are situations, where \@writefile does not necessarily
        occur on the first line.
Fixed omnicompletion for thms numbered by section
Fixed completion of labels satisfactorily.
Adapted README.md to reality.
LaTeX-Box caches labels for OmniCompletion.

There is now a cache of labels for OmniCompletion that decides
by file modification time if a given cache entry is valid or should
be reparsed.
Bugfix for completion of labels in \include files

Completion of references from files that are \included or \input into
the current file should work now. Two stupid bugs caused error messages
and missing labels.