squashed commits

squash: use kString_text() macro
squash: pickup all libevent API interface in C
squash: event_free() will call in cevent_Free()
squash: rename local variable
squash: confirmed cevent_base.get_supported_methods() by get_supported_methods.k
squash: implemented all of event_base class
squash: implemented all of event_config class
squash: add libevent version comparison for support APIs
squash: implement all of include/event2/event.h API
Merge pull request #416 from tosnoz/libevent_event_h

implemented all of event.h APIs
modified Konoha Apache module

- modified CentOS,Ubuntu,Debian(x86_64) build error
- modified Rasbian(ARM 32bit) build error
- modified, the case CMAKE_INSTALL_PREFIX=/usr
Merge branch 'modify-mod_konoha' of https://github.com/stadaki/konoha3
fix apache build dir
some fix for windows by takagi (not finished)
fix compiler warnings
remove kNode.stackbase
add document template
add document for Java.String
fix conflict
remove duplicated package
add document for JavaScript.String
add document for JavaScript.Array
Merge pull request #418 from tetsurom/document

Add documents
add CommonStringUtil package document
Add documents for 19 packages.
Merge pull request #419 from tetsurom/doc_rebase

Add documents for 22 packages.
rename minikonoha package => Lib.Konoha
update Syntax.GlobalVariable's doc