Cleanup branch

Merged with testedenv branch, in order to get a minimal environment/config and
solve errors and performance issues.
[config] Using Neobundle new config settings
[plugin] Added vim-signify plugin
[config] Re-enabled functions and mappings

No severe startup time increase observed
[doc] Added test list
[plugin] Re-enabled SelectBuf and GenUtils (as dependency)

Added with no big increase in the startup time. SelectBuf config cleaned up.
[doc] Added new test, regarding SelectBuf plugin
[plugin] Re-enabled colourschemes

Using NeoBundleLazy to diminish the impact on startup time
[plugin] Re-enabled nerdtree and vinegar plugins

Change-Id: I0b7fcb0907b410cc22e6e646e3e4a4db88916699
[config] Re-enabled unite plugin

Also using on demand (lazy) loading

Change-Id: Ie5b718a8ad13775938d8666766e05156bda67bbd
[config] Re-enabled Tagbar plugin

Also using lazy loading

Change-Id: Icbfcf49d39a3ebb6bb9334d5bbda74cd2ab92f30
[config] Re-enabled abbreviations

Change-Id: Ifc1ffe90efe1066c6050dc759f8448909773072f
[plugin] Commented unused plugins configuration

Change-Id: Ife3658b2977289071394220b9bdce2d8da86303a
[config] Re-enabled partially aucmd in .vimrc

Just for removing trailling spaces

Change-Id: Iba431811159caa99908404ecabb880187c85b8d0
[config] Re-enabled vim-easymotion

Change-Id: I4f4dbbd6e7cff3ae85f783589c1984a2c6884227
 [config] Re-enabled vinarise plugin

Change-Id: Ifeccbfa2f36426bf792ca12c626a1c110587ff8c
[config] Re-enabled vim-startify plugin and resize bug fixed

Resize bug fixed, by using window resize only if gui is running

Change-Id: I2501909043d499e28f91003dca486c7512427f6f
[config] Re-enavled vim-SystemVerilog and vim-vhdl plugins

Using on demand loading

Change-Id: I86f1cd50f00532d521af2aea77fbbad4f64e37e4
[config] Re-enavled markdown plugin

Using on demand loading

Change-Id: I83c63a529173c9b9d9b308d14cbcfaa2160beeb4
[config] Re-enabled vim-latex plugin

Using on demand loading

Change-Id: Ie242d63fb5faef76124b8c478f33ba2bdb784bf2